Microsoft shares temp fix for Outlook encrypted email errors
Microsoft is investigating a known issue that triggers Outlook errors when opening encrypted emails sent from other organizations. According…
Microsoft Edge to block malicious sideloaded extensions
Microsoft is planning to introduce a new Edge security feature that will protect users against malicious extensions sideloaded into the web…
Microsoft releases the final Windows 10 22H2 preview update
Microsoft has released the final non-security preview update for Windows 10, version 22H2, which includes fixes for the out-of-box experience…
New macOS XCSSET Variant Targets Firefox with Clipper and Persistence Module
Cybersecurity researchers have discovered an updated version of a known Apple macOS malware called XCSSET that has been observed in limited…
New LockBit Ransomware Variant Emerges as Most Dangerous Yet
Trend Micro has identified a new LockBit ransomware variant that is “significantly more dangerous” than previous versions and is being…
Microsoft warns of new XCSSET macOS malware variant targeting Xcode devs
Microsoft Threat Intelligence reports that a new variant of the XCSSET macOS malware has been detected in limited attacks, incorporating…
CISA orders agencies to patch Cisco flaws exploited in zero-day attacks
CISA has issued a new emergency directive ordering U.S. federal agencies to secure their Cisco firewall devices against two flaws that have…
North Korean Hackers Use New AkdoorTea Backdoor to Target Global Crypto Developers
The North Korea-linked threat actors associated with the Contagious Interview campaign have been attributed to a previously undocumented…
Microsoft will offer free Windows 10 security updates in Europe
Microsoft will offer free extended security updates for Windows 10 users in the European Economic Area (EEA), which includes Iceland,…
Threatsday Bulletin: Rootkit Patch, Federal Breach, OnePlus SMS Leak, TikTok Scandal & More
Welcome to this week's Threatsday Bulletin—your Thursday check-in on the latest twists and turns in cybersecurity and hacking. The…
Chinese Hackers Use 'BRICKSTORM' Backdoor to Breach US Firms
Chinese cyber threat actors are suspected of deploying a recently identified backdoor to get a foothold into the systems of US organizations…
CVE-2025-41715 (CVSS 9.8): Unauthenticated Flaw Exposes WAGO Industrial Databases
VDE CERT has issued a security advisory disclosing two vulnerabilities in WAGO Device Sphere and WAGO Solution Builder, software widely used…
Chinese Hackers RedNovember Target Global Governments Using Pantegana and Cobalt Strike
A suspected cyber espionage activity cluster that was previously found targeting global government and private sector organizations spanning…
Google warns China-linked spies lurking in 'numerous' enterprises since March
Unknown intruders – likely China-linked spies – have broken into "numerous" enterprise networks since March and deployed…
Google: Brickstone malware used to steal U.S. orgs' data for over a year
Suspected Chinese hackers have used the Brickstorm malware in long-term persistence espionage operations against U.S. organizations in the…
CVE-2025-59545: Critical XSS Flaw in DNN Software Puts 750,000 Websites at Risk
DNN Software has issued a security advisory warning of a critical stored cross-site scripting (XSS) vulnerability in its Prompt module,…
22 Vulnerabilities Under Attack – And Another That Could Be
Cyble researchers detailed 22 vulnerabilities under active attack in a blog post today – and nine of them aren’t in CISA’s…
Iranian Hacking Group Nimbus Manticore Expands European Targeting
A long-running cyber-espionage campaign tied to Iran has intensified its operations in Europe. The group, known as Nimbus Manticore, has a…
Deepfake Attacks Hit Two-Thirds of Businesses
Nearly two-thirds (62%) of organizations have experienced a deepfake attack in the past 12 months, according to a new Gartner survey. These…
GitHub Mandates 2FA and Short-Lived Tokens to Strengthen npm Supply Chain Security
GitHub on Monday announced that it will be changing its authentication and publishing options "in the near future" in response to a recent…
CVE-2025-9125: Cross-Site Scripting Flaw in Lectora Courses Puts E-Learning Platforms at Risk
The CERT Coordination Center (CERT/CC) has issued a vulnerability note warning of a cross-site scripting (XSS) flaw affecting Lectora, a…
BlockBlasters: When a Steam Game Turns Into a Malware Delivery Vehicle
What began as a promising indie platformer has turned into one of the most alarming cases of malware-laced games on Steam in 2025. According…
Beyond Trust: A New Campaign Is Using a Legitimate Tool to Deliver RATs
A new report from Hunt Intelligence reveals how attackers are abusing ConnectWise ScreenConnect (formerly ConnectWise Control) to deliver…
New EDR-Freeze tool uses Windows WER to suspend security software
A new method and proof-of-concept tool called EDR-Freeze demonstrates that evading security solutions is possible from user mode with…
Microsoft lifts Windows 11 update block after face detection fix
Microsoft has removed a compatibility hold that prevented devices with integrated cameras from installing Windows 11 24H2 due to a face…
ComicForm and SectorJ149 Hackers Deploy Formbook Malware in Eurasian Cyberattacks
Organizations in Belarus, Kazakhstan, and Russia have emerged as the target of a phishing campaign undertaken by a previously undocumented…
Microsoft says recent updates cause DRM video playback issues
Microsoft has confirmed a known issue that prevents some apps from playing Digital Rights Management (DRM) protected video content or…
Major Cyber Threat Detection Vendors Pull Out of MITRE Evaluations Test
Three major providers of cybersecurity solutions have decided not to take part in the 2025 edition of MITRE’s annual endpoint detection and…
Chrome Type Confusion 0-Day Vulnerability Code Analysis Released
Google Chrome’s V8 JavaScript engine has been compromised by a critical type confusion zero-day vulnerability, designated…
Weekly Recap: Chrome 0-Day, AI Hacking Tools, DDR5 Bit-Flips, npm Worm & More
The security landscape now moves at a pace no patch cycle can match. Attackers aren't waiting for quarterly updates or monthly…
Microsoft Entra ID Exposed: Actor Token Flaw Enables Stealthy Global Admin Takeove
A newly disclosed vulnerability tracked as CVE-2025-55241 has been reported. The flaw, discovered by an independent researcher and disclosed…
Microsoft Patches Critical Entra ID Flaw Enabling Global Admin Impersonation Across Tenants
A critical token validation failure in Microsoft Entra ID (previously Azure Active Directory) could have allowed attackers to impersonate any…
Microsoft Entra ID flaw allowed hijacking any company's tenant
A critical combination of legacy components could have allowed complete access to the Microsoft Entra ID tenant of every company in the world.…
DPRK Hackers Use ClickFix to Deliver BeaverTail Malware in Crypto Job Scams
Threat actors with ties to the Democratic People's Republic of Korea (aka DPRK or North Korea) have been observed leveraging ClickFix-style…
Week in review: Chrome 0-day fixed, npm supply chain attack, LinkedIn data used for AI
Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: Most enterprise AI use is…
Top Zero-Day Vulnerabilities Exploited in the Wild in 2025
The cybersecurity landscape in 2025 has been marked by an unprecedented surge in zero-day vulnerabilities actively exploited by threat actors.…
Researchers Uncover GPT-4-Powered MalTerminal Malware Creating Ransomware, Reverse Shell
Cybersecurity researchers have discovered what they say is the earliest example known to date of a malware with that bakes in Large Language…
ShadowLeak Zero-Click Flaw Leaks Gmail Data via OpenAI ChatGPT Deep Research Agent
Cybersecurity researchers have disclosed a zero-click flaw in OpenAI ChatGPT's Deep Research agent that could allow an attacker to leak…
WannaCry Ransomware: A DFIR & SOC Monitoring Lab Walkthrough
Hello fellow defenders, I hope you are having a great day. In this article, I’m going to show you how you can make a cybersecurity home…
Microsoft starts rolling out Gaming Copilot on Windows 11 PCs
Microsoft has begun rolling out the beta version of its AI-powered Gaming Copilot to Windows 11 systems for users aged 18 or older, excluding…
UNC1549 Hacks 34 Devices in 11 Telecom Firms via LinkedIn Job Lures and MINIBIKE Malware
An Iran-nexus cyber espionage group known as UNC1549 has been attributed to a new campaign targeting European telecommunications companies,…
Steam will stop running on Windows 32-bit in January 2026
Valve has announced that its Steam digital distribution service will drop support for 32-bit versions of Windows starting January 2026. Two…