windows security

A pop-up claiming that Microsoft has locked your Windows computer can look convincing, but it may be part of a tech support scam. These warnings are designed to frighten users into calling a fake support number or installing software that gives strangers remote access to their computers. Security research published in October 2026 identified a large network distributing such scam pages through more than 20,000 domains.

Microsoft introduces new RDP warnings in April 2026 update to prevent phishing attacks via malicious .rdp files and unauthorized remote access.

A new ransomware strain called Ebyte is rapidly spreading across North America and Europe, encrypting critical files and demanding high ransom payments. Security experts warn that this malware is highly advanced, making data recovery nearly impossible without paying the attackers.

A new method in cyberattacks uses ZIP file concatenation to deliver malicious payloads undetected. By leveraging differences in ZIP parser handling, attackers can hide trojans in ZIP files, targeting unsuspecting users via phishing emails disguised as legitimate notices.