Home News U.S. Cybersecurity News Roundup (July 22–28, 2025)

U.S. Cybersecurity News Roundup (July 22–28, 2025)

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Summary: The week saw a wave of active zero-day attacks, ransomware campaigns, and threats to critical infrastructure. From Microsoft SharePoint exploits to AI-driven phishing and Linux EDR bypass malware, the cybersecurity landscape continues to evolve rapidly.

 Top Cybersecurity Stories This Week

1. Microsoft SharePoint Zero-Day Under Active Exploitation

CVE-2025-49706 (Network Spoofing) and CVE-2025-49704 (Remote Code Execution) are being actively exploited. Storm-2603 attackers are deploying LockBit and Warlock ransomware, affecting 75+ organizations. CISA urges immediate patching and machine key rotation.

2. Interlock Ransomware Targets Critical Infrastructure

Joint federal advisory warns of Interlock ransomware targeting healthcare and public sectors. Attack vectors include fake browser updates and Cobalt Strike. Threat actors steal credentials and deploy advanced persistence mechanisms.

3. SafePay Attack on Ingram Micro Causes $136M Disruption

SafePay ransomware breached Ingram Micro via VPN password spraying. Operational shutdowns caused massive losses and affected downstream vendors.

4. Citrix Bleed 2 Bypasses MFA Protection

New Citrix NetScaler vulnerability allows full authentication bypass—even with MFA enabled. Active exploitation highlights the importance of immediate patching.

5. Cisco ISE & SysAid Exploits Listed in CISA KEV Catalog

Critical flaws in Cisco ISE and SysAid now have confirmed exploits. SysAid’s XML injection bug allows admin takeovers and data theft.

 Cybersecurity Trends & Takeaways

  • Zero-Day Exploits Rising: Rapid attacker response times post-disclosure
  • Healthcare Systems Breached: Ransomware cripples patient care and record systems
  • AI-Powered Phishing: 1,000+ fake Amazon domains appeared during Prime Day
  • Linux Endpoint Threats: RingReaper malware evades detection
  • Zero Trust Adoption: Enterprises move fast toward micro-segmentation and continuous validation
  • Third-Party Risks Escalate: Attacks on IT vendors create ripple effects
  • AI Policy Shifts: White House AI Action Plan reduces CISA support, shifts cyber response to states

 Major Incidents at a Glance

Incident Date Impact
SharePoint Zero-Day Ongoing 85+ orgs impacted, remote takeover, MFA bypass
CO-OP UK Breach Confirmed 6.5M member data leaked
Amazon Scam Domains July 22–27 1,000+ fake domains for phishing
Linux RingReaper Malware July 23 Bypasses EDR on Linux systems
Roblox Data Leak Confirmed 4,000+ developers exposed

🛡️ What You Should Do

  • Patch SharePoint, Cisco, Citrix, and SysAid immediately
  • Review user behavior for signs of compromise or persistence
  • Deploy Zero Trust Architecture and segment network access
  • Audit vendor access & endpoint security
  • Train staff on AI-enhanced phishing and fake login detection

Stay Alert: The convergence of espionage, ransomware, and AI makes this era of cyber threats more dangerous than ever. Build cyber resilience proactively.

 

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