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Microsoft has disclosed details of a large-scale credential theft campaign that has leveraged a combination of code of conduct-themed lures and legitimate email services to direct users to attacker-controlled domains and steal authentication tokens. The multi-stage...

Microsoft fixed a Defender false positive that flagged legitimate DigiCert certificates as malware, disrupting Windows trust stores for some IT teams. The post Microsoft Defender Bug Triggers False Malware Alerts for DigiCert Certificates appeared first on TechRepublic.

An active phishing campaign has been observed targeting multiple vectors since at least April 2025, with legitimate Remote Monitoring and Management (RMM) software as a way to establish persistent remote access to compromised hosts. The activity, codenamed...

AI agents are now being weaponized through prompt injection, exposing why model guardrails are not enough to protect enterprise data. The post Indirect Prompt Injection Is Now a Real-World AI Security Threat appeared first on TechRepublic.

Progress Software has released updates to address two security flaws in MOVEit Automation, including a critical bug that could result in an authentication bypass. MOVEit Automation (formerly Central) is a secure, server-based managed file transfer (MFT) solution used...

This week, the shadows moved faster than the patches. While most teams were still triaging last month’s alerts, attackers had already turned control panels into kill switches, kernels into open doors, and open-source pipelines into silent delivery systems. The game...

Instructure confirms a Canvas breach involving user information and messages as hackers claim 275M users and nearly 9,000 schools were affected. The post Canvas Breach May Put 275M Users, 9,000 Schools at Risk appeared first on TechRepublic.

On December 4, 2025, a 17-year-old was arrested in Osaka under Japan’s Unauthorized Access Prohibition Act. The young man had run malicious code to extract the personal data of over 7 million users of Kaikatsu Club, Japan's largest internet cafe chain. When asked, the...

The China-based cybercrime group known as Silver Fox has been linked to a new campaign targeting organizations in Russia and India with a new malware called ABCDoor. The activity involved using phishing emails that mimic correspondence from the Income Tax Department...

A previously unknown threat actor has been observed targeting government and military entities in Southeast Asia, alongside a smaller cluster of managed service providers (MSPs) and hosting providers in the Philippines, Laos, Canada, South Africa, and the U.S., by...