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Category Archives: Security Advisory

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Staying ahead of threats: 5 cybercrime trends to watch

New reports from Europol and the UK’s National Crime Agency (NCA) shed a light on how the battle against cybercrime is being fought

Sponsor with batch-filed whiskers: Ballistic Bobcat’s scan and strike backdoor

ESET Research uncovers the Sponsoring Access campaign, which utilizes an undocumented Ballistic Bobcat backdoor we have named Sponsor

Fake Signal and Telegram apps – Week in security with Tony Anscombe

ESET research uncovers active campaigns targeting Android users and spreading espionage code through the Google Play store, Samsung Galaxy Store and dedicated websites

Getting off the hook: 10 steps to take after clicking on a phishing link

Phishing emails are a weapon of choice for criminals intent on stealing people’s personal data and planting malware on their devices. The healing process does not end with antivirus scanning.

ESET Research Podcast: Unmasking MoustachedBouncer

Listen as ESET’s Director of Threat Research Jean-Ian Boutin unravels the tactics, techniques and procedures of MoustachedBouncer, an APT group taking aim at foreign embassies in Belarus

How a Telegram bot helps scammers target victims – Week in security with Tony Anscombe

ESET researchers uncover a Telegram bot that enables even less tech-savvy scammers to defraud people out of their money

BadBazaar espionage tool targets Android users via trojanized Signal and Telegram apps

ESET researchers have discovered active campaigns linked to the China-aligned APT group known as GREF, distributing espionage code that has previously targeted Uyghurs

What you need to know about iCloud Private Relay

If you want to try to enter the world of VPNs with a small dip, then iCloud Private Relay is your friend — but is it a true VPN service? The devil is in the details.

Recovering from a supply-chain attack: What are the lessons to learn from the 3CX hack?

The campaign started with a trojanized version of unsupported financial software

Scarabs colon-izing vulnerable servers

Analysis of Spacecolon, a toolset used to deploy Scarab ransomware on vulnerable servers, and its operators, CosmicBeetle

Evacuation of 30,000 hackers – Week in security with Tony Anscombe

DEF CON, the annual hacker convention in Las Vegas, was interrupted on Saturday evening when authorities evacuated the event’s venue due to a bomb threat

DEF CON 31: US DoD urges hackers to go and hack ‘AI’

The limits of current AI need to be tested before we can rely on their output

DEF CON 31: Robot vacuums may be doing more than they claim

When it comes to privacy, it remains complicated and near impossible for a consumer to make an informed decision.

20k security folks in the desert – Week in security with Tony Anscombe

Unsurprisingly, artificial intelligence took the center stage at this year’s edition of Black Hat, one of the world’s largest gatherings of cybersecurity professionals

Black Hat 2023: How AI changes the monetization of search

Search engines, AI, and monetization in the new era

Black Hat 2023: Hacking the police (at least their radios)

Hiding behind a black box and hoping no one will hack it has been routinely proven to be unwise and less secure.

A Bard’s Tale – how fake AI bots try to install malware

The AI race is on! It’s easy to lose track of the latest developments and possibilities, and yet everyone wants to see firsthand what the hype is about. Heydays for cybercriminals!

Black Hat 2023: ‘Teenage’ AI not enough for cyberthreat intelligence

Current LLMs are just not mature enough for high-level tasks

Black Hat 2023: AI gets big defender prize money

Black Hat is big on AI this year, and for a good reason

Black Hat 2023: Cyberwar fire-and-forget-me-not

What happens to cyberweapons after a cyberwar?

Mass-spreading campaign targeting Zimbra users

ESET researchers have observed a new phishing campaign targeting users of the Zimbra Collaboration email server.

Telekopye: Hunting Mammoths using Telegram bot

Analysis of Telegram bot that helps cybercriminals scam people on online marketplaces

Check cybersecurity pre-invest – Week in security with Tony Anscombe

When you invest in a company, do you check its cybersecurity? The U.S. Securities and Exchange Commission has adopted new cybersecurity rules.

MoustachedBouncer: Espionage against foreign diplomats in Belarus

Long-term espionage against diplomats, leveraging email-based C&C protocols, C++ modular backdoors, and adversary-in-the-middle (AitM) attacks… Sounds like the infamous Turla? Think again!

Time is money, and online game scammers have lots of it

Gamers and cybersecurity professionals have something in common – the ever-terrible presence of hacking, scams, and data theft – but how and why would anyone want to target gamers?

Is backdoor access oppressive? – Week in security with Tony Anscombe

Bills granting access to end-to-end encrypted systems, opportunity for cybercriminals, abuse by authority, human rights, and tech companies leaving the UK?

The grand theft of Jake Moore’s voice: The concept of a virtual kidnap

With powerful AI, it doesn’t take much to fake a person virtually, and while there are some limitations, voice-cloning can have some dangerous consequences.

Fingerprints all over: Can browser fingerprinting increase website security?

Browser fingerprinting is supposedly a more privacy-conscious tracking method, replacing personal information with more general data. But is it a valid promise?

Quantum computing: Will it break crypto security within a few years?

Current cryptographic security methods watch out – quantum computing is coming for your lunch.

Gathering dust and data: How robotic vacuums can spy on you

Mitigate the risk of data leaks with a careful review of the product and the proper settings.

Dear all, What are some common subject lines in phishing emails?

Scammers exploit current ongoing events, account notifications, corporate communication, and a sense of urgency.

What happens if AI is wrong? – Week in security with Tony Anscombe

Responses generated by ChatGPT about individual people could be misleading or harmful or spill their personal information. What are the takeaways for you as a ChatGPT user?

8 common work-from-home scams to avoid

That ‘employer’ you’re speaking to may in reality be after your personal information, your money or your help with their illegal activities

Child identity theft: how do I keep my kids’ personal data safe?

Why is kids’ personal information in high demand, how do criminals steal it, and what can parents do to help prevent child identity theft? The post Child identity theft: how do I keep my kids’ personal data safe? appeared first on WeLiveSecurity

Protect yourself from ticketing scams ahead of the Premier League Summer Series USA Tour

There is a significant secondary marketplace where tickets can sell for several times their original value, opening the opportunity for scammers and fraud The post Protect yourself from ticketing scams ahead of the Premier League Summer Series USA Tour appeared first on WeLiveSecurity

Key findings from ESET Threat Report H1 2023 – Week in security with Tony Anscombe

Here’s how cybercriminals have adjusted their tactics in response to Microsoft’s stricter security policies and other interesting findings from ESET’s new Threat Report The post Key findings from ESET Threat Report H1 2023 – Week in security with Tony Anscombe appeared first on WeLiveSecurity

The danger within: 5 steps you can take to combat insider threats

Some threats may be closer than you think. Are security risks that originate from your own trusted employees on your radar? The post The danger within: 5 steps you can take to combat insider threats appeared first on WeLiveSecurity

ESET Threat Report H1 2023

A view of the H1 2023 threat landscape as seen by ESET telemetry and from the perspective of ESET threat detection and research experts The post ESET Threat Report H1 2023 appeared first on WeLiveSecurity

ESET Research Podcast: Finding the mythical BlackLotus bootkit

A story of how analysis of a supposed game cheat turned into the discovery of a powerful UEFI threat The post ESET Research Podcast: Finding the mythical BlackLotus bootkit appeared first on WeLiveSecurity

Emotet: sold or on vacation? – Week in security with Tony Anscombe

Originally a banking trojan, Emotet later evolved into a full-blown botnet and went on to become one of the most dangerous cyberthreats worldwide The post Emotet: sold or on vacation? – Week in security with Tony Anscombe appeared first on WeLiveSecurity

What’s up with Emotet?

A brief summary of what happened with Emotet since its comeback in November 2021 The post What’s up with Emotet? appeared first on WeLiveSecurity

Deepfaking it: What to know about deepfake‑driven sextortion schemes

Criminals increasingly create deepfake nudes from people’s benign public photos in order to extort money from them, the FBI warns The post Deepfaking it: What to know about deepfake‑driven sextortion schemes appeared first on WeLiveSecurity

Verizon 2023 DBIR: What’s new this year and top takeaways for SMBs

Here are some of the key insights on the evolving data breach landscape as revealed by Verizon’s analysis of more than 16,000 incidents The post Verizon 2023 DBIR: What’s new this year and top takeaways for SMBs appeared first on WeLiveSecurity

The good, the bad and the ugly of AI – Week in security with Tony Anscombe

The growing use of synthetic media and difficulties in distinguishing between real and fake content raises a slew of legal and ethical questions The post The good, the bad and the ugly of AI – Week in security with Tony Anscombe appeared first on WeLiveSecurity

Employee monitoring: is ‘bossware’ right for your company?

While employee monitoring software may boost productivity, it may also be a potential privacy minefield and it can affect your relationship with your employees The post Employee monitoring: is ‘bossware’ right for your company? appeared first on WeLiveSecurity

Avoid juice jacking and recharge your batteries safely this summer

Cybercriminals can use USB charging stations in airports, hotels, malls or other public spaces as conduits for malware The post Avoid juice jacking and recharge your batteries safely this summer appeared first on WeLiveSecurity

School’s out for summer, but it’s not time to let your cyber guard down

The beginning of the summer break is the perfect time for parents to remind their children about the importance of safe online habits The post School’s out for summer, but it’s not time to let your cyber guard down appeared first on WeLiveSecurity

Maltego: Check how exposed you are online

A primer on how to use this powerful tool for uncovering and connecting information from publicly available sources The post Maltego: Check how exposed you are online appeared first on WeLiveSecurity

What to know about the MoveIT hack – Week in security with Tony Anscombe

The US government has now announced a bounty of $10 million for intel linking the Cl0p ransomware gang to a foreign government The post What to know about the MoveIT hack – Week in security with Tony Anscombe appeared first on WeLiveSecurity

Going on vacation soon? Stay one step ahead of travel scammers

From bogus free trips to fake rental homes, here are some of the most common online threats you should look out for both before and during your travels The post Going on vacation soon? Stay one step ahead of travel scammers appeared first on WeLiveSecurity

Passwords out, passkeys in: are you ready to make the switch?

With passkeys poised for prime time, passwords seem passé. What are the main benefits of ditching one in favor of the other? The post Passwords out, passkeys in: are you ready to make the switch? appeared first on WeLiveSecurity

Is a RAT stealing your files? – Week in security with Tony Anscombe

Could your Android phone be home to a remote access tool (RAT) that steals WhatsApp backups or performs other shenanigans? The post Is a RAT stealing your files? – Week in security with Tony Anscombe appeared first on WeLiveSecurity

Stop Cyberbullying Day: Prevention is everyone’s responsibility

Strategies for stopping and responding to cyberbullying require a concerted, community-wide effort involving parents, educators and children themselves The post Stop Cyberbullying Day: Prevention is everyone’s responsibility appeared first on WeLiveSecurity

Android GravityRAT goes after WhatsApp backups

ESET researchers analyzed an updated version of Android GravityRAT spyware that steals WhatsApp backup files and can receive commands to delete files The post Android GravityRAT goes after WhatsApp backups appeared first on WeLiveSecurity

Cyber insurance: What is it and does my company need it?

While not a ‘get out of jail free card’ for your business, cyber insurance can help insulate it from the financial impact of a cyber-incident The post Cyber insurance: What is it and does my company need it? appeared first on WeLiveSecurity

Mixing cybercrime and cyberespionage – Week in security with Tony Anscombe

A crimeware group that usually targets individuals and SMBs in North America and Europe adds cyberespionage to its activities The post Mixing cybercrime and cyberespionage – Week in security with Tony Anscombe appeared first on WeLiveSecurity

Asylum Ambuscade: crimeware or cyberespionage?

A curious case of a threat actor at the border between crimeware and cyberespionage The post Asylum Ambuscade: crimeware or cyberespionage? appeared first on WeLiveSecurity

Hear no evil: Ultrasound attacks on voice assistants

How  your voice assistant could do the bidding of a hacker – without you ever hearing a thing The post Hear no evil: Ultrasound attacks on voice assistants appeared first on WeLiveSecurity

7 tips for spotting a fake mobile app

Plus, 7 ways to tell that you downloaded a sketchy app and 7 tips for staying safe from mobile security threats in the future The post 7 tips for spotting a fake mobile app appeared first on WeLiveSecurity

API security in the spotlight – Week in security with Tony Anscombe

Given the reliance of today’s digital world on APIs and the fact that attacks targeting them continue to rise sharply, API security cannot be an afterthought. The post API security in the spotlight – Week in security with Tony Anscombe appeared first on WeLiveSecurity

All eyes on APIs: Top 3 API security risks and how to mitigate them

As APIs are a favorite target for threat actors, the challenge of securing the glue that holds various software elements together is taking on increasing urgency The post All eyes on APIs: Top 3 API security risks and how to mitigate them appeared first on WeLiveSecurity

5 free OSINT tools for social media

A roundup of some of the handiest tools for the collection and analysis of publicly available data from Twitter, Facebook and other social media platforms The post 5 free OSINT tools for social media appeared first on WeLiveSecurity

Tricks of the trade: How a cybercrime ring operated a multi‑level fraud scheme

A peek under the hood of a cybercrime operation and what you can do to avoid being an easy target for similar ploys The post Tricks of the trade: How a cybercrime ring operated a multi‑level fraud scheme appeared first on WeLiveSecurity

How an innocuous app morphed into a trojan – Week in security with Tony Anscombe

ESET research uncovers an Android app that initially had no harmful features but months later turned into a spying tool The post How an innocuous app morphed into a trojan – Week in security with Tony Anscombe appeared first on WeLiveSecurity

Shedding light on AceCryptor and its operation

ESET researchers reveal details about a prevalent cryptor, operating as a cryptor-as-a-service used by tens of malware families The post Shedding light on AceCryptor and its operation appeared first on WeLiveSecurity

Digital security for the self‑employed: Staying safe without an IT team to help

Nobody wants to spend their time dealing with the fallout of a security incident instead of building up their business The post Digital security for the self‑employed: Staying safe without an IT team to help appeared first on WeLiveSecurity

Android app breaking bad: From legitimate screen recording to file exfiltration within a year

ESET researchers discover AhRat – a new Android RAT based on AhMyth – that exfiltrates files and records audio The post Android app breaking bad: From legitimate screen recording to file exfiltration within a year appeared first on WeLiveSecurity

The real cost of a free lunch – Week in security with Tony Anscombe

Don’t download software from non-reputable websites and sketchy links – you might be in for more than you bargained for The post The real cost of a free lunch – Week in security with Tony Anscombe appeared first on WeLiveSecurity

5 useful search engines for internet‑connected devices and services

A roundup of some of the handiest tools that security professionals can use to search for and monitor devices that are accessible from the internet The post 5 useful search engines for internet‑connected devices and services appeared first on WeLiveSecurity

Meet “AI”, your new colleague: could it expose your company’s secrets?

Before rushing to embrace the LLM-powered “hire”, make sure your organization has safeguards in place to avoid putting its business and customer data at risk The post Meet “AI”, your new colleague: could it expose your company’s secrets? appeared first on WeLiveSecurity

You may not care where you download software from, but malware does

Why do people still download files from sketchy places and get compromised as a result? The post You may not care where you download software from, but malware does appeared first on WeLiveSecurity

Key findings from ESET’s new APT Activity Report – Week in security with Tony Anscombe

What have some of the world’s most infamous advanced threat actors been up to and what might be the implications of their activities for your business? The post Key findings from ESET’s new APT Activity Report – Week in security with Tony Anscombe appeared first on WeLiveSecurity

Why you need parental control software – and 5 features to look for

Strike a balance between making the internet a safer place for your children and giving them the freedom to explore, learn and socialize The post Why you need parental control software – and 5 features to look for appeared first on WeLiveSecurity

Turning on stealth mode: 5 simple strategies for staying under the radar online

Have your cake and eat it too – enjoy some of what the online world has to offer without always giving out your contact details The post Turning on stealth mode: 5 simple strategies for staying under the radar online appeared first on WeLiveSecurity

ESET APT Activity Report Q4 2022­–Q1 2023

An overview of the activities of selected APT groups investigated and analyzed by ESET Research in Q4 2022 and Q1 2023 The post ESET APT Activity Report Q4 2022­–Q1 2023 appeared first on WeLiveSecurity

How the war in Ukraine has been a catalyst in private‑public collaborations

As the war shows no signs of ending and cyber-activity by states and criminal groups remains high, conversations around the cyber-resilience of critical infrastructure have never been more vital The post How the war in Ukraine has been a catalyst in private‑public collaborations appeared first on WeLiveSecurity

APTs target MSP access to customer networks – Week in security with Tony Anscombe

The recent compromise of the networks of several companies via the abuse of a remote access tool used by MSPs exemplifies why state-aligned threat actors should be on the radars of IT service providers The post APTs target MSP access to customer networks – Week in security with Tony Anscombe appeared first on WeLiveSecurity

Using Discord? Don’t play down its privacy and security risks

It’s all fun and games until someone gets hacked – here’s what to know about, and how to avoid, threats lurking on the social media juggernaut The post Using Discord? Don’t play down its privacy and security risks appeared first on WeLiveSecurity

APT groups muddying the waters for MSPs

A quick dive into the murky world of cyberespionage and other growing threats facing managed service providers – and their customers The post APT groups muddying the waters for MSPs appeared first on WeLiveSecurity

Creating strong, yet user‑friendly passwords: Tips for your business password policy

Don’t torture people with exceedingly complex password composition rules but do blacklist commonly used passwords, plus other ways to help people help themselves – and your entire organization The post Creating strong, yet user‑friendly passwords: Tips for your business password policy appeared first on WeLiveSecurity

What was hot at RSA Conference 2023? – Week in security with Tony Anscombe

The importance of understanding – and prioritizing – the privacy and security implications of large language models like ChatGPT cannot be overstated The post What was hot at RSA Conference 2023? – Week in security with Tony Anscombe appeared first on WeLiveSecurity

RSA Conference 2023 – How AI will infiltrate the world

As all things (wrongly called) AI take the world’s biggest security event by storm, we round up of some of their most-touted use cases and applications The post RSA Conference 2023 – How AI will infiltrate the world appeared first on WeLiveSecurity

Evasive Panda APT group delivers malware via updates for popular Chinese software

ESET Research uncovers a campaign by the APT group known as Evasive Panda targeting an international NGO in China with malware delivered through updates of popular Chinese software The post Evasive Panda APT group delivers malware via updates for popular Chinese software appeared first on WeLiveSecurity

Did you mistakenly sell your network access? – Week in security with Tony Anscombe

Many routers that are offered for resale contain sensitive corporate information and allow third-party connections to corporate networks The post Did you mistakenly sell your network access? – Week in security with Tony Anscombe appeared first on WeLiveSecurity

Linux malware strengthens links between Lazarus and the 3CX supply‑chain attack

Similarities with newly discovered Linux malware used in Operation DreamJob corroborate the theory that the infamous North Korea-aligned group is behind the 3CX supply-chain attack The post Linux malware strengthens links between Lazarus and the 3CX supply‑chain attack appeared first on WeLiveSecurity

The EU’s Cyber Solidarity Act: Security Operations Centers to the rescue!

The legislation aims to bolster the Union’s cyber-resilience and enhance its capabilities to prepare for, detect and respond to incidents The post The EU’s Cyber Solidarity Act: Security Operations Centers to the rescue! appeared first on WeLiveSecurity

PC running slow? 10 ways you can speed it up

Before you rush to buy new hardware, try these simple tricks to get your machine up to speed again – and keep it that way. The post PC running slow? 10 ways you can speed it up appeared first on WeLiveSecurity

Discarded, not destroyed: Old routers reveal corporate secrets

When decommissioning their old hardware, many companies ‘throw the baby out with the bathwater’ The post Discarded, not destroyed: Old routers reveal corporate secrets appeared first on WeLiveSecurity

Hunting down BlackLotus – Week in security with Tony Anscombe

Microsoft releases guidance on how organizations can check their systems for the presence of BlackLotus, a powerful threat first analyzed by ESET researchers The post Hunting down BlackLotus – Week in security with Tony Anscombe appeared first on WeLiveSecurity

Safety first: 5 cybersecurity tips for freelance bloggers

The much-dreaded writer’s block isn’t the only threat that may derail your progress. Are you doing enough to keep your blog (and your livelihood) safe from online dangers? The post Safety first: 5 cybersecurity tips for freelance bloggers appeared first on WeLiveSecurity

What are the cybersecurity concerns of SMBs by sector?

Some sectors have high confidence in their in-house cybersecurity expertise, while others prefer to enlist the support of an external provider to keep their systems and data secured The post What are the cybersecurity concerns of SMBs by sector? appeared first on WeLiveSecurity

10 things to look out for when buying a password manager

Here’s how to choose the right password vault for you and what exactly to consider when weighing your options The post 10 things to look out for when buying a password manager appeared first on WeLiveSecurity

Steer clear of tax scams – Week in security with Tony Anscombe

In a rush to file your taxes? Watch out for cybercriminals preying on stressed taxpayers as Tax Day looms large on the horizon. The post Steer clear of tax scams – Week in security with Tony Anscombe appeared first on WeLiveSecurity

Cleaning up your social media and passwords: What to trash and what to treasure

Give your social media presence a good spring scrubbing, audit your passwords and other easy ways to bring order to your digital chaos The post Cleaning up your social media and passwords: What to trash and what to treasure appeared first on WeLiveSecurity

Why you should spring clean your home network and audit your backups

Do you know how many devices are connected to your home network? You don’t? This is precisely why it’s time for a network audit. The post Why you should spring clean your home network and audit your backups appeared first on WeLiveSecurity

Spring into action and tidy up your digital life like a pro

Spring is in the air and as the leaves start growing again, why not breathe some new life into the devices you depend on so badly? The post Spring into action and tidy up your digital life like a pro appeared first on WeLiveSecurity

Avoiding data backup failures – Week in security with Tony Anscombe

Today is World Backup Day, but maybe we also need a “did you test your backups” day? The post Avoiding data backup failures – Week in security with Tony Anscombe appeared first on WeLiveSecurity

ESET Research Podcast: A year of fighting rockets, soldiers, and wipers in Ukraine

ESET experts share their insights on the cyber-elements of the first year of the war in Ukraine and how a growing number of destructive malware variants tried to rip through critical Ukrainian systems The post ESET Research Podcast: A year of fighting rockets, soldiers, and wipers in Ukraine appeared first on WeLiveSecurity

World Backup Day: Avoiding a data disaster is a forever topic 

By failing to prepare you are preparing to fail. Make sure you’re able to bounce back if, or when, a data disaster strikes. The post World Backup Day: Avoiding a data disaster is a forever topic  appeared first on WeLiveSecurity

Pig butchering scams: The anatomy of a fast‑growing threat

How fraudsters groom their marks and move in for the kill using tricks from the playbooks of romance and investment scammers The post Pig butchering scams: The anatomy of a fast‑growing threat appeared first on WeLiveSecurity