Major Cyber Attacks in August 2026: US and EU Businesses Hit by Session Hijacking, Remote Access, and Insider Risk
ANY.RUN's August 2026 roundup shows US and EU firms hit via Microsoft 365 session hijacking, remote-tool abuse, and hiring lures.
ANY.RUN's August 2026 review catalogs attacks on US and European businesses abusing Microsoft 365 sessions, legitimate remote-management tools, and business-themed files. Observed techniques included account takeover, session hijacking, persistence via remote access, credential exposure, and exploitation of hiring processes. The report stresses that attacker activity frequently resembled legitimate business behavior.
- Microsoft 365 session hijacking led to account takeover
- Legitimate remote-management tools abused for persistence
- Business-themed files and hiring processes used as lures
- Attacker activity often looked like normal business activity
August’s attacks showed how quickly trusted business activity can turn into risk. Across the US and Europe, attackers abused Microsoft 365 sessions, legitimate remote-management tools, business-themed files, and even hiring processes to reach corporate systems. The result was a mix of account takeover, persistent attacker control, credential exposure, and insider risk that often looked legitimate […] The post Major Cyber Attacks in August 2026: US and EU Businesses Hit by Session Hijacking, Remote Access, and Insider Risk appeared first on ANY.RUN's Cybersecurity Blog.
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