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Cybersecurity

Cybersecurity (671)

Security researchers have identified a previously unknown Windows backdoor named Sleepwalker that remains dormant in system memory until activated by a specific network packet. The malware uses a custom 23-instruction command language to execute a range of malicious activities, including running code in memory and exfiltrating data. Its stealthy design and sophisticated capabilities suggest it is part of a well-resourced cyber operation rather than the work of an individual hacker
Silent Patches Leave Defenders in the Dark
CYBERSECURITY

Silent Patches Leave Defenders in the Dark

A growing trend in cybersecurity has vendors quietly fixing vulnerabilities without issuing advisories or assigning CVEs. This approach, kno

Aug 27, 2026