New Clickfix variant ‘CrashFix’ deploying Python Remote Access Trojan

In January 2026, Microsoft Defender Experts identified a new evolution in the ongoing ClickFix campaign. This updated tactic deliberately crashes victims’ browsers and then attempts to lure users into executing malicious commands under the pretext of restoring normal functionality. This variant...

Common Crypto Scams and How to Protect Your Funds in 2026

Crypto scams are surging worldwide, from pig butchering to fake trading platforms and deepfakes, draining victims while fraud teams struggle to keep up...

macOS Users Hit by Python Infostealers Posing as AI Installers

Microsoft details 3 Python Infostealers hitting macOS users via fake AI tools, Google ads, and Terminal tricks to steal passwords and crypto, then erase traces...

Chinese Mustang Panda Used Fake Diplomatic Briefings to Spy on Officials

A new spy campaign by Mustang Panda uses fake US diplomatic briefings to target government officials. Discover how this silent surveillance operation works...

Microsoft Warns Python Infostealers Target macOS via Fake Ads and Installers

Microsoft has warned that information-stealing attacks are "rapidly expanding" beyond Windows to target Apple macOS environments by leveraging cross-platform languages like Python and abusing trusted platforms for distribution at scale. The tech giant's Defender Security Research Team said it...

Malicious Google Ads Target Mac Users with Fake Mac Cleaner Pages

Mac users searching for software on Google or other search engines should be extra careful...

Watch out for AT&T rewards phishing text that wants your personal details

A coworker shared this suspicious SMS where AT&T supposedly warns the recipient that their reward points are about to expire. Phishing attacks are growing increasingly sophisticated, likely with help from AI. They're getting better at mimicking major brands—not just in look, but in behavior...

ShinyHunters Target 100+ Firms Using Phone Calls to Bypass SSO Security

ShinyHunters is driving attacks on 100+ organisations, using vishing and fake login pages with allied groups to bypass SSO and steal company data, reports Silent Push...

ClickFix Attacks Expand Using Fake CAPTCHAs, Microsoft Scripts, and Trusted Web Services

Cybersecurity researchers have disclosed details of a new campaign that combines ClickFix-style fake CAPTCHAs with a signed Microsoft Application Virtualization App-V script to distribute an information stealer called Amatera. "Instead of launching PowerShell directly, the attacker uses this scri...

China-Linked Hackers Have Used the PeckBirdy JavaScript C2 Framework Since 2023

Cybersecurity researchers have discovered a JScript-based command-and-control C2 framework called PeckBirdy that has been put to use by China-aligned APT actors since 2023 to target multiple environments. The flexible framework has been put to use against Chinese gambling industries and malicious...

A week in security (January 19 – January 25)

Last week on Malwarebytes Labs: Spammers abuse Zendesk to flood inboxes with legitimate-looking emails, but why? Fake LastPass maintenance emails target users Under Armour ransomware breach: data of 72 million customers appears on the dark web Can you use too many LOLBins to drop some RATs?...

Dormakaba Exos 9300 security vulnerabilities

The Dormakaba Exos 9300 is an access control and security management system developed by the American company Dormakaba. The Dormakaba Exos 9300 has a security vulnerability. This vulnerability stems from the SOAP API, which requires no authentication, potentially allowing the creation of arbitra...

Spammers abuse Zendesk to flood inboxes with legitimate-looking emails, but why?

Short answer: we have no idea. People are actively complaining that their mailboxes and queues are being flooded by emails coming from the Zendesk instances of trusted companies like Discord, Riot Games, Dropbox, and many others. Zendesk is a customer service and support software platform that...

CVE-2026-24010

Horilla is a free and open source Human Resource Management System HRMS. A critical File Upload vulnerability in versions prior to 1.5.0, with Social Engineering, allows authenticated users to deploy phishing attacks. By uploading a malicious HTML file disguised as a profile picture, an attacker...

Hackers Are Using LinkedIn DMs and PDF Tools to Deploy Trojans

That LinkedIn message pretending to be job offer could just be malwre...

Fake LastPass maintenance emails target users

The LastPass Threat Intelligence, Mitigation, and Escalation TIME team has published a warning about an active phishing campaign in which fake “maintenance” emails pressure users to back up their vaults within 24 hours. The emails lead to credential-stealing phishing sites rather than any...

CVE-2026-24010

Horilla is a free and open source Human Resource Management System HRMS. A critical File Upload vulnerability in versions prior to 1.5.0, with Social Engineering, allows authenticated users to deploy phishing attacks. By uploading a malicious HTML file disguised as a profile picture, an attacker...

North Korean PurpleBravo Campaign Targeted 3,136 IP Addresses via Fake Job Interviews

As many as 3,136 individual IP addresses linked to likely targets of the Contagious Interview activity have been identified, with the campaign claiming 20 potential victim organizations spanning artificial intelligence AI, cryptocurrency, financial services, IT services, marketing, and software...

ClickFix to CrashFix: KongTuke Used Fake Chrome Ad Blocker to Install ModeloRAT

Huntress discovers 'CrashFix,' a new attack by KongTuke hacker group using fake ad blockers to crash browsers and trick office workers into installing ModeloRAT malware...

A week in security (January 12 – January 18)

Last week on Malwarebytes Labs: WhisperPair exposes Bluetooth earbuds and headphones to tracking and eavesdropping Dutch police sell fake tickets to show how easily scams work "Reprompt" attack lets attackers steal data from Microsoft Copilot Phishing scammers are posting fake "account restricted...