eastbaycyber

DNSSEC and the Resiliency of Core Services

Threat digests 1 min read
EC
East Bay Cyber Editorial Team Reviewed 2026-05-21
Week of 21 MAY 2026

Date: 2026-05-21

🔴 Priority Alerts

  • DNS Cache Poisoning Resurgence: A novel exploit bypassing older DNSSEC implementations has been observed in targeted attacks against regional ISPs.

🟡 Industry News

  • Post-Quantum Prep: CISA releases new guidance on cryptographic agility, urging organizations to inventory all asymmetric cryptography in preparation for post-quantum standards.
  • Automotive Cyber: The EV sector faces new scrutiny over over-the-air (OTA) update security protocols.

🟢 Strategic Insights

Infrastructure security is often neglected in the rush toward AI. Ensure your core services (DNS, DHCP, NTP) are hardened, resilient, and continuously monitored.

Last verified: 2026-05-21

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