Cyber chief: UK faces "perfect storm" for cyber security
2026-04-22T08:52:13Z•e1cf1802573dab1ee6e6c5ad13a025d7b4e95c3ea679afdfaf97cef7e25762f5
apt28cisco-sd-wancitrix-netscalercross-domain_guidancecyber_resiliencedns_hijackingf5-big-ipfrontier_ai_threatsmessaging_app_targetingmiddle_east_conflict_alertnhs_securitynscsremote_code_executionrouter_exploitationvulnerability_management
What happened
UK NCSC published multiple high-priority advisories and guidance: Russian-linked APT28 is exploiting vulnerable edge routers to perform DNS hijacking and credential/authentication‑token theft; agencies report active exploitation of Cisco Catalyst SD‑WAN and urge immediate investigation; an unauthenticated remote‑code‑execution vulnerability affecting F5 BIG‑IP APM is being highlighted for mitigation; and two urgent vulnerabilities impacting Citrix NetScaler ADC/Gateway require immediate action. The NCSC also issued warnings on targeted messaging‑app attacks, national‑level guidance on cross‑‑/
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- uk_ncsc_all_rss
- Record identifier
- e1cf1802573dab1ee6e6c5ad13a025d7b4e95c3ea679afdfaf97cef7e25762f5
- Enrichment time
- 2026-04-22T08:52:13Z
- AI-assisted enrichment
- Yes
This record may overlap with other records. Its enrichment can be incomplete or wrong, and machine assistance was used. Validate consequential decisions against the linked source and your own environment.