Cyber Security News for July 31 2026 - Daily DefSec Brief

Daily DefSec Brief · Jul 31, 2026 · 4m · transcript

1. CISA warns of active attacks locking operators out of water-sector PLCs — CISA — https://www.cisa.gov/news-events/alerts/2026/07/30/cisa-urges-water-and-wastewater-systems-sector-protect-ot-against-activity-targeting-plcs 2. Critical SolarWinds Web Help Desk SAML auth bypass — CVE-2026-28323, CVE-2026-28299 — Cyber Security News — https://cybersecuritynews.com/solarwinds-flaw-bypass-web-help-desk-saml-login/ 3. SGLang LLM-serving framework — six unpatched flaws incl. unauth RCE — CVE-2026-15969, CVE-2026-14890, CVE-2026-15971, CVE-2026-15974, CVE-2026-15976, CVE-2026-15977, CVE-2026-15978…