Comcast’s Xfinity breached by Citrix Bleed; 36 million customer’s data accessed

In a notice for its customers, Xfinity acknowledges it recently fell victim to a data security incident. Xfinity is Comcasts brand for TV, internet, and home phone services, sometimes referred to as Comcast Cable Communications. During the data breach the attackers were able to access 35.8 millio...

A week in security (November 20 – November 26)

Last week on Malwarebytes Labs: Windows Hello fingerprint authentication can be bypassed on popular laptops Citrix Bleed widely exploitated, warn government agencies Chrome pushes forward with plans to limit ad blockers in the future $19 Stanley cup deal is a Black Friday scam Malwarebytes consum...

Facial recognition tech lands innocent woman with bogus carjacking charge

Detroit law enforcement wrongly arrested a 32 year old woman for a robbery and carjacking she did not commit. She was detained for 11 hours and had her phone taken as evidence before finally being allowed to leave. The reason for the false arrest is down to a facial recognition error, the kind th...

Digital assets continue to be prime target for malvertisers

Cyber-criminals continue to impersonate brands via well-crafted phishing websites. We previously covered attacks on both consumers and businesses via online searches for popular brands leading to scams or malware. Digital assets such as cryptocurrencies or NFTs are highly coveted by threat actors...

The end looms for Meta's behavioural advertising in Europe

The EU is going toe to toe with Meta once more, with the social network giant conceding defeat yet again. After having taken Meta to task for various privacy violations and data breaches, Meta is now having to provide European users with a way to opt out of behavioural advertising. The threat of...

Public and free WiFi: Can I safely use it?

We've got into the habit of expecting internet access wherever we go. But data costs can be expensive, and out of your own home often the only WiFi available is public, passwordless and free. In security, we've been trained to carefully contemplate anything that's free, because, well, often when...

Why we should be more open about ransomware attacks

The UKs National Cyber Security Centre NCSC has published an article that reflects on why its so concerning when cyberattacks go unreported, saying: ...we are increasingly concerned about what happens behind the scenes of the attacks we dont hear about, particularly the ransomware ones. One of th...

Google and Apple cooperate to address unwanted tracking

Google and Apple have announced that they are looking for input from industry participants and advocacy groups on a draft specification to alert users in the event of suspected unwanted tracking. Samsung, Tile, Chipolo, eufy Security, and Pebblebee have stated that they will support the...

How small businesses can secure employees' mobile devices

Fact: 77% of organizations are convinced they're capable of protecting their mobile devices--smartphones, tablets, and laptops including Chromebooks--from cybersecurity threats. Another fact: A third of those organizations aren't protecting their mobile devices at all. And that matters--in its...

A week in security (April 3 - 9)

Last week on Malwarebytes Labs: TikTok: Whats going on and should I be worried? Super FabriXss: an RCE vulnerability in Azure Service Fabric Explorer Big changes to Twitter verification: How to spot a verified account New macOS malware steals sensitive info, including a user's entire Keychain...

Grand Theft Auto 5 exploit allows cheaters to tamper with your data

Yesterday I spent some time helping to fix a relatives gaming PC. Their gaming data tied to Rockstars Grand Theft Auto 5 GTAV had somehow become corrupted and was no longer functional. I managed to repair the account and restore everything back to the way it was, but this isnt the end of the stor...

Microsoft to end direct sale of Windows 10 licenses at the end of January

Windows 10 is slowly coming to an end, with one more way to purchase the operating system riding off into the sunset. Microsoft is posting notices in a variety of locations to confirm it will no longer sell Windows 10 licenses directly. Support remains in place for the time being, as is the usual...

Louisiana wants your ID if you're looking at adult-only websites

The state of Louisiana introduced a law on January 1, 2023, that holds sites that specialize in pornographic content accountable if they do not check their visitors' ages. A website is obliged to check whether a visitor is of the legal age required to access pornographic content if a substantial...

Vehicle Identification Numbers reveal driver data via telematics

There are many ways that data collection, and data availability, make less sense as the years pass by. This is frequently accompanied by a resistance to change, to improve these processes, because "thats how weve always done it". Sadly this is often the case even when those data collectors have...

Facebook users sue Meta for allegedly building "secret workaround" to Apple privacy safeguards

Last week, two Facebook users filed a class-action complaint against Meta in San Francisco's federal court, alleging the company built a "secret workaround" to Apple's safeguards that protect iPhone users from tracking. Facebook circumvents Apple's privacy rules by opening in-app browsers within...

5 technologies that help prevent cyberattacks for SMBs

The intel you need to secure your business--delivered straight to your inbox From industry tips and best practices to the latest Malwarebytes product releases and how-tos, our Business newsletter is chock-full of the best of our business blog. Subscribe to our Business newsletter today. Now more...

6 patch management best practices for businesses

Patching is a thorn in the side of many businesses today: Everything from keeping up with the volume of patches to prioritizing what needs to be patched first can cause major delays in a business's patching process. Needless to say, businesses are looking to streamline their patch management...

Source code of password manager LastPass stolen by attacker

In a security incident notice from LastPass the company informed the public know that an unauthorized party gained access to portions of the LastPass development environment through a single compromised developer account. There is no evidence that this incident involved any access to customer dat...

Beware Twitter Messages claiming “Your blue badge Twitter account has been reviewed as spam”

Twitter verification is a two-edged sword. According to Twitter, its supposed to let people know "that an account of public interest is authentic." Thats great, so long as the account is authentic, but what if, one day, it suddenly isnt? An attacker that can wrestle a verified account from its...

Watch out for this SMS phish promising a tax refund

Imagine logging into your bank’s website after responding to a text message claiming you’re due a refund, only to see a warning to watch out for bogus texts: Beware of SMS phishing! For those who dont read Dutch, the warning reads: Never respond to unusual emails or texts! Fraudsters often send...

Hive ransomware: Researchers figure out a method to decrypt files

Files encrypted by ransomware cant be recovered without obtaining the decryption key, if the encryption has been done properly. But that doesnt seem to be the case for Hive ransomware. Researchers from the Kookmin University in Korea have published a method for decrypting the data scrambled by...

Browsers on iOS, iPadOS and Mac leak your browsing activity and personal identifiers

Researchers at FingerprintJS, a Chicago-based firm that specializes in online fraud prevention, have published a software bug introduced in Safari 15’s implementation of the IndexedDB API that lets any website track your internet activity and may even reveal your identity. They found that in Safa...

Kronos crippled by ransomware, service may be out for weeks

Human resources platform provider UKG has put out a statement saying its fallen prey to ransomware that has disrupted the Kronos Private Cloud. It expects the service to be out for several weeks. The statement came after the company posted a message on the Kronos community message board, explaini...

Facebook’s own research reveals the harm that Instagram can inflict

For years, people have accused social media, and particularly image-driven sites like Instagram, of being bad for young people, particularly young women. It turns that Instagrams owner, Facebook, agrees. Thirty-two percent of teen girls said that when they felt bad about their bodies, Instagram...

Good news: Stalkerware survey results show majority of people aren’t creepy

Back in July, we sent out a survey to Malwarebytes Labs readers on the subject of stalkerware—the term used to describe apps that can potentially invade someone’s privacy. We asked one question: “Have you ever used an app to monitor your partner’s phone?” The results were reassuring. We received...

Pentagon breach exposes Social Security numbers and military records of millions

The US government is alerting millions of people that their personal information was stolen during a breach of the Pentagon’s personnel records at the Defense Manpower Data Center DMDC. The DMDC is a central US Department of Defense DoD organization that manages personnel records, ID credentials,...

Fake iPhone Duo preorder scam triggers DarkSword attack

Apple announced its first foldable iPhone on September 9, and scammers were ready to ‘deliver’ one before anyone could buy it. Most of what we found around the launch of the iPhone Duo and iPhone 18 Pro was familiar fraud. But one fake preorder page was different. The fake Apple-style page offers...

Meta’s Muse AI assistant has a zero-day that can turn it into a Mac backdoor

Mac security researcher Patrick Wardle says it’s trivial to turn Muse into “the ultimate backdoor.” Increasingly, AI assistants are changing from tools that simply answer questions into agents that can plan tasks, use connected services, and take actions for us. These actions might include bookin...

12 celebrity deepfake websites seized by Manhattan DA

The Manhattan District Attorney’s Office has seized the domains of 12 deepfake websites in what it called the largest known seizure of celebrity deepfake sites in history. The sites, which marketed themselves as deepfake pornography platforms, hosted AI-generated videos of over 1,200 people,...

Two critical Chrome flaws put users at risk on malicious websites

Update September 4, 2026 Shortly after this article was published, Google released another Chrome update that patches an actively exploited flaw in the V8 JavaScript engine, tracked as CVE-2026-85046. Google rates the vulnerability as high severity and says an exploit already exists in the wild. ...

McKesson confirms cyber incident after ShinyHunters claims patient-data theft

Healthcare and pharmaceutical-distribution giant McKesson has disclosed a cybersecurity incident involving unauthorized access to third-party applications and the theft of data. McKesson Corporation is an American healthcare company that distributes pharmaceuticals and provides medical supplies,...

Booking.com breach gives scammers what they need to target guests

Travel companies love telling you your data is safe. Booking.com just reminded everyone why that's a hard promise to keep. The Amsterdam-based booking giant began notifying customers on April 13 that "unauthorized third parties" had accessed guest reservation data. The compromised information...

Does the UK really want to ban VPNs? And can it be done?

The idea of a "Great British Firewall" makes for a catchy headline, but it would be riddled with holes and cause huge problems. The Guardian reports that the GCHQ Government Communications Headquarters, a UK intelligence, security, and cyber agency, is exploring the idea of a British firewall...

Job scam uses fake Google Forms site to harvest Google logins

As part of our investigation into a job-themed phishing campaign, we came across several suspicious URLs that all looked like this: https://forms.google.ss-o.com/forms/d/e/uniqueid/viewform?form=opportunitysec&promo= The subdomain forms.google.ss-o.com is a clear attempt to impersonate the...

Scam-checking just got easier: Malwarebytes is now in ChatGPT

If you’ve ever stared at a suspicious text, email, or link and thought “Is this a scam… or am I overthinking it?” Well, you’re not alone. Scams are getting harder to spot, and even savvy internet users get caught off guard. That’s why Malwarebytes is the first cybersecurity provider available...

One million customers on alert as extortion group claims massive Brightspeed data haul

US fiber broadband company Brightspeed is investigating claims by the Crimson Collective extortion group that it stole sensitive data belonging to more than 1 million residential customers, including extensive personally identifiable information PII, as well as account and billing details...

Disney fined $10m for mislabeling kids’ YouTube videos and violating privacy law

Disney will pay a $10m settlement over allegations that it violated kids' privacy rights, the Federal Trade Commission FTC said this week. The agreement, first proposed in September 2025, resolves a dispute over Disney's labeling of child-targeted content on YouTube. The thousands of YouTube vide...

2025 exposed the risks we ignored while rushing AI

This blog is part of a series where we highlight new or fast-evolving threats in the consumer security landscape. This one looks at how the rapid rise ofArtificial Intelligence AI is putting users at risk. In 2025 we saw an ever-accelerating race between AI providers to push out new features. We...

GhostFrame phishing kit fuels widespread attacks against millions

GhostFrame is a new phishing-as-a-service PhaaS kit, tracked since September 2025, that has already powered more than a million phishing attacks. Threat analysts spotted a series of phishing attacks featuring tools and techniques they hadn't seen before. A few months later, they had linked over a...

Scammers harvesting Facebook photos to stage fake kidnappings, warns FBI

The FBI has warned about a new type of scam where your Facebook pictures are harvested to act as “proof-of-life” pictures in a virtual kidnapping. The scammers pretend they have kidnapped somebody and contact friends and next of kin to demand a ransom for their release. While the alleged victim i...

Attackers are using “Sneaky 2FA” to create fake sign-in windows that look real

Attackers have a new trick to steal your username and password: fake browser pop-ups that look exactly like real sign-in windows. These “Browser-in-the-Browser” attacks can fool almost anyone, but a password manager and a few simple habits can keep you safe. Phishing attacks continue to evolve, a...

A week in security (November 10 – November 16)

Last week on Malwarebytes Labs: Be careful responding to unexpected job interviews Your passport, now on your iPhone. Helpful or risky? 1 million victims, 17,500 fake sites: Google takes on toll-fee scammers Are you paying more than other people? NY cracks down on surveillance pricing We opened a...

Is AI moving faster than its safety net?

You’ve probably noticed that artificial intelligence, or AI, has been everywhere lately—news, phones, apps, even in your browser. It seems like everything suddenly wants to be “powered by AI.“ If it’s not, it’s considered old school and boring. It’s easy to get swept up in the promise: smarter...

Prosper data breach puts 17 million people at risk of identity theft

Peer-to-peer lending marketplace Prosper detected unauthorized activity on their systems on September 2, 2025. It published an FAQ page later that month to address the incident. During the incident, the attacker stole personal information belonging to Prosper customers and loan applicants. As...

Phishing scams exploit New York’s inflation refund program

A warning from the New York State on their website informs visitors that: “Scammers are calling, mailing, and texting taxpayers about income tax refunds, including the inflation refund check.” Here's the warning on the website: We can confirm that several phishing campaigns are exploiting a...

Don’t connect your wallet: Best Wallet cryptocurrency scam is making the rounds

Phishers and scammers can’t get enough of sending their feeble attempts to Malwarebytes’ employees. For which we can’t thank them enough because it means we can warn you, our readers. This time the scammers tried to impersonate Best Wallet—an app that lets people store, send, and receive...

What’s there to save about social media? (Lock and Code S06E20)

This week on the Lock and Code podcast … "Connection" was the promise—and goal—of much of the early internet. No longer would people be separated from vital resources and news that was either too hard to reach or made simply inaccessible by governments. No longer would education be guarded behind...

A week in security (September 29 – October 5)

Last week on Malwarebytes Labs: From threats to apology, hackers pull child data offline after public backlash Your Meta AI conversations may come back as ads in your feed Scam Facebook groups send malicious Android malware to seniors Sendit tricked kids, harvested their data, and faked messages,...

Sex offenders, terrorists, drug dealers, exposed in spyware breach

We've covered spyware and stalkerware leaks many times before, but we don't often see such exposure in software used by law enforcement. According to a report by Straight Arrow News SAN, the hacker “wikkid” said the intrusion against RemoteCOM was “one of the easiest” they’d ever carried out...

Grok, ChatGPT, other AIs happy to help phish senior citizens

If you are under the impression that cybercriminals need to get their hands on compromised AI chatbots to help them do their dirty work, think again. Some AI chatbots are just so user friendly that they can help the user craft phishing text, and even malicious HTML and Javascript code. A few week...