Iris

Keeping up with Cybersecurity - Monthly Roundups by Iris

Cybersecurity news, once a month, in about five minutes: exploited vulnerabilities and zero-days, ransomware and data breaches, nation-state cyber operations, cloud and identity security, AI security, security research, and cybersecurity regulation such as NIS2 and incident reporting rules. Every story links to its sources.

How to keep up with cybersecurity

Latest: September 2026

CISA confirms global exploitation of Citrix NetScaler flaws

  • CISA confirmed global exploitation of two Citrix NetScaler zero-days, with Citrix patches and indicators available.
  • Cisco's CVSS 10.0 ISE flaw enables full device control and has entered CISA's KEV catalogue.
  • Shai-Hulud reached more than 1,000 organizations through exposed credentials and permissive CI/CD paths.

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