Cybersecurity Headlines — June 28, 2026
- Inside Claude Mythos: Why Anthropic held back its most advanced AI — The Times of India
- IBM and Red Hat partner with Deloitte to fix open-source vulnerabilities — SiliconANGLE News
- Even the Secret Service won’t use company-issued phones — Theregister.com
- How agentic AI threat intelligence aids NGO cyber defense: Case study — Techtarget.com
- The 5060 siege: How industrialised attacks are targeting business phone systems — Digital Journal
- CISA sets urgent deadline to fix Cisco flaw exploited in attacks — BleepingComputer
- New SharkLoader Malware Deploys Cobalt Strike in StrikeShark Cyberattacks — Internet
- Critical Unauthenticated Remote Code Execution in Splunk Enterprise (CVE-2026-20253) — Zscaler.com
- Secret Service phone security lapses put US officials at risk, watchdog says — Nextgov
- Geopolitics reshapes data protection plans — Techtarget.com
Compiled daily. Stay patched, stay vigilant.