Daily Digest

Russian Zero-Click Exploits, Iranian ICS Attacks, and Critical Zero-Day Patches

Russian Zero-Click Exploits, Iranian ICS Attacks, and Critical Zero-Day Patches

July 23, 2026
12 articles (10 new, 2 updated)
36 min read

Summary

This intelligence brief for July 23, 2026, covers a major Russian state-sponsored espionage campaign using a zero-click Zimbra exploit to target Western organizations. U.S. agencies have also expanded warnings about Iranian-affiliated actors targeting industrial control systems from Siemens and Schneider Electric. Additionally, critical zero-day vulnerabilities in Check Point and Microsoft SharePoint products are under active attack, prompting CISA to mandate urgent patching. Other major developments include a large-scale data breach at Paidwork, a new ransomware strain from the Chaos group, and a GAO report on duplicative federal cyber regulations.

Filter by Category

New Articles (10)

Updated Articles (2)

📢 Share This Publication

Help others stay informed about cybersecurity threats

📅 Daily Edition

Curated and deduplicated every day from dozens of trusted sources — giving you one clean, consolidated view of what matters in cybersecurity.

🔢 Deduplication Applied

Related stories are merged into a single evolving article rather than repeated as separate entries — cutting through noise so you only read what's new.

🔗 Full Articles Linked

Every entry links to its full enriched article — complete with MITRE ATT&CK mappings, extracted IOCs, and actionable detection and mitigation guidance.