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Malware & Threats

Malware analysis, threat intelligence, and emerging cyber threats

UK’s Companies House confirms security flaw exposed business data

Companies House, a British government agency that operates the registry for all U.K. companies, says its WebFiling service is back online after it was closed on Friday to fix a security flaw that exposed companies' information since October 2025.

BleepingComputerMar 16, 20263m8

Microsoft Exchange Online outage blocks access to mailboxes

BleepingComputer

Malware & Threats

Microsoft Exchange Online outage blocks access to mailboxes

Microsoft is working to address an ongoing Exchange Online outage that is preventing customers from accessing their mailboxes and calendars.

BleepingComputerMar 16, 20262m8

Shadow AI is everywhere. Here’s how to find and secure it.

BleepingComputer

Malware & Threats

Shadow AI is everywhere. Here’s how to find and secure it.

Shadow AI is quietly spreading across SaaS environments as employees adopt new AI tools without IT oversight. Nudge Security explains how security teams can discover AI apps, monitor usage, and govern risky AI activity.

BleepingComputerMar 16, 20265m6

Microsoft pulls Samsung app blocking Windows C: drive from Store

BleepingComputer

Malware & Threats

Microsoft pulls Samsung app blocking Windows C: drive from Store

Microsoft has removed the Samsung Galaxy Connect app from the Microsoft Store because it was causing issues on specific Samsung Galaxy Book 4 and desktop models running Windows 11.

BleepingComputerMar 16, 20262m6

BleepingComputer

Malware & Threats

OpenAI says ChatGPT ads are not rolling out globally for now

OpenAI told BleepingComputer that ChatGPT ads on Free and Go plans are not yet rolling out outside the United States, even though some users noticed references to ads in the updated privacy policy.

BleepingComputerMar 15, 20262m6

Betterleaks, a new open-source secrets scanner to replace Gitleaks

BleepingComputer

Malware & Threats

Betterleaks, a new open-source secrets scanner to replace Gitleaks

A new open-source tool called Betterleaks can scan directories, files, and git repositories and identify valid secrets using default or customized rules.

BleepingComputerMar 15, 20263m6

Microsoft re-releases Windows 11 OOB hotpatch to fix RRAS RCE flaw

BleepingComputer

Malware & Threats

Microsoft re-releases Windows 11 OOB hotpatch to fix RRAS RCE flaw

Microsoft has released an out-of-band (OOB) update to fix a security vulnerabilities affecting Windows 11 Enterprise devices that receive hotpatch updates instead of the regular Patch Tuesday cumulative updates.

BleepingComputerMar 14, 20263m9

Microsoft releases Windows 11 OOB hotpatch to fix RRAS RCE flaw

BleepingComputer

Malware & Threats

Microsoft releases Windows 11 OOB hotpatch to fix RRAS RCE flaw

BleepingComputerMar 14, 20263m10

AppsFlyer Web SDK used to spread crypto stealer JavaScript code

BleepingComputer

Malware & Threats

AppsFlyer Web SDK used to spread crypto stealer JavaScript code

Malicious JavaScript code delivered by the AppsFlyer Web SDK hijacked cryptocurrency, potentially in a supply-chain attack.

BleepingComputerMar 14, 20264m6

Microsoft: Windows 11 users can't access C: drive on some Samsung PCs

BleepingComputer

Malware & Threats

Microsoft: Windows 11 users can't access C: drive on some Samsung PCs

Microsoft is investigating a new issue affecting some Samsung laptops running Windows 11 after installing the February 2026 security updates, in which users lose access to their C:\ drive and are unable to launch applications.

BleepingComputerMar 13, 20262m6

FBI seeks victims of Steam games used to spread malware

BleepingComputer

Malware & Threats

FBI seeks victims of Steam games used to spread malware

The FBI is asking gamers who installed Steam titles containing malware to provide information as part of an ongoing investigation into eight malicious games uploaded to the gaming platform.

BleepingComputerMar 13, 20264m6

Poland's nuclear research centre targeted by cyberattack

BleepingComputer

Malware & Threats

Poland's nuclear research centre targeted by cyberattack

Poland's National Centre for Nuclear Research (NCBJ) says hackers targeted its IT infrastructure, but the attack was detected and blocked before causing any impact.

BleepingComputerMar 13, 20262m10