Post-quantum updates to our TLS guidance
The NCSC publishes its recommendations for configuring post-quantum cryptography in TLS. Now is time to migrate.
NCSC UK 8h agoUsing TLS to protect data
Recommended profiles to securely configure TLS for the most common versions and scenarios, with additional guidance for managing older versions.
NCSC UK 8h agoHelp the NCSC understand how organisations approach external attack surface risk
We're looking to hear from people involved in evaluating, selecting or adopting EASM.
NCSC UK 3d agoChina-linked malicious actors called out by UK and international partners for targeting sensitive data globally
Joint advisory with international partners highlights malicious targeting of organisations from a range of sectors across the globe.
NCSC UK 7d agoIncident affecting ASOS customers
ASOS has said it is investigating a cyber incident and that some customer personal information may have been accessed.
NCSC UK 9d agoOne does not simply defend agentically
Defenders can’t use AI in the same way attackers can, but there’s much they can do to unlock the potential of agentic cyber defence.
NCSC UK 24d agoAdversary simulation: what you need to know
Adversary simulation ('red teaming') tests your ability to prevent, detect and respond to cyber attacks.
NCSC UK 28d agoCyber Adversary Simulation (CyAS): scheme documents now available
Our view of good cyber adversary simulation – and how assured providers can deliver it.
NCSC UK 28d agoIranian cyber targeting of dissidents, activists and journalists
Advisory on CHOSEN BRICK malware, including technical analysis and advice to help individuals and organisations protect themselves.
NCSC UK 15 Sept 2026The hidden risks of shadow AI
Understanding why staff use unapproved AI tools is key to managing the security challenges they can create.
NCSC UK 07 Sept 2026Managing the cyber risk of agentic AI
Use safeguards, sandboxing and active oversight to realise the benefits of autonomous systems while limiting the unintended activity.
NCSC UK 20 Aug 2026Help shape the future of resilient private 5G
The NCSC wants to collaborate with organisations developing technologies and approaches for secure, resilient and deployable private 5G
NCSC UK 12 Aug 2026