World-first NCSC-engineered device secures vulnerable display links
2026-04-22T20:52:17Z•db3130dbc090d5ac577851aaa0231c49a984b0b0875675fd97b9a874679708a9
APT28CYBERUKCisco Catalyst SD‑WANCitrix NetScalerDNS hijackingEASMF5 BIG‑IP APMMiddle East conflict advisoryNCSCNHSSilentGlassadvisorycross‑domain guidancecyber resilienceexploitfrontier AImessaging app targetingrouter compromisevulnerabilityvulnerability management
What happened
Feed of NCSC alerts, advisories and guidance (Apr 2026). Key items: a new NCSC‑engineered SilentGlass device to block unauthorised HDMI/DisplayPort connections; active exploitation by Russian APT28 of vulnerable consumer/edge routers to enable DNS hijacking; urgent mitigation requested for an unauthenticated remote‑code‑execution vulnerability affecting F5 BIG‑IP APM; immediate action urged for recently disclosed vulnerabilities in Citrix NetScaler ADC/Gateway; investigation strongly encouraged for potential compromise of Cisco Catalyst SD‑WAN deployments; advisory for organisations to review‑
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
- db3130dbc090d5ac577851aaa0231c49a984b0b0875675fd97b9a874679708a9
- Enrichment time
- 2026-04-22T20:52:17Z
- AI-assisted enrichment
- Yes
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