Help Net Security newsletters: Daily and weekly news, cybersecurity jobs, open source projects, breaking news – subscribe here!

Please turn on your JavaScript for this page to function normally.
passkeys
Users advised to drop passwords and make room for passkeys

In a decisive move that could reshape how users log in online, the National Cyber Security Centre (NCSC) is urging consumers to abandon passwords in favour of passkeys, …

hand
Compromised everyday devices power Chinese cyber espionage operations

China-linked threat actors have shifted from individually procured infrastructure to large-scale covert networks, botnets built from compromised routers and other edge …

backdoor
New Cisco firewall malware can only be killed by pulling the plug

Suspected state-sponsored attackers are using a custom backdoor to persistently compromise Cisco security devices (firewalls), the US CISA and the UK National Cyber Security …

hardware
If cyber espionage via HDMI worries you, NCSC built a device to stop it

A new cybersecurity device developed by the National Cyber Security Centre (NCSC) should be a helpful solution for protecting governments and businesses from malicious …

UK
UK reduces cyberattack fix times from two months to eight days

The UK government has launched a new vulnerability monitoring service (VMS) that promises to reduce the time needed to fix critical cyber weaknesses across the public sector. …

F5
F5 data breach: “Nation-state attackers” stole BIG-IP source code, vulnerability info

US tech company F5 has suffered a breach, and the attackers made off with source code of and vulnerability information related to its BIG-IP family of networking and security …

Cisco
Cisco ASA zero-day vulnerabilities exploited in sophisticated attacks

A widespread campaign aimed at breaching organizations via zero-day vulnerabilities in Cisco Adaptive Security Appliances (ASA) has been revealed by the US, UK, Canadian and …

M&S, Coop, Harrods
UK retailers under cyber attack: Co-op member data compromised

UK-based retailers Marks & Spencer, Co-op, and Harrods have been targeted by cyber attackers in the last few weeks. Whether the attacks have been mounted by the same …

network
UK NCSC offers security guidance for domain and DNS registrars

The UK National Cyber Security Centre (NCSC) has released security guidance for domain registrars and operators of Domain Name System (DNS) services. “DNS registrars …

Next.js
Critical Next.js auth bypass vulnerability opens web apps to compromise (CVE-2025-29927)

A critical vulnerability (CVE-2025-29927) in the open source Next.js framework can be exploited by attackers to bypass authorization checks and gain unauthorized access to web …

vulnerabilities
What 2024 taught us about security vulnerabilties

From zero-day exploits to weaknesses in widely used software and hardware, the vulnerabilities uncovered last year underscore threat actors’ tactics and the critical …

CISO
How to choose secure, verifiable technologies?

The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) has published a guidance document titled Choosing Secure and Verifiable Technologies, …

Don't miss

Cybersecurity news
Daily newsletter sent Monday-Friday
Weekly newsletter sent on Mondays
Editor's choice newsletter sent twice a month
Periodical newsletter released when there is breaking news
Weekly newsletter listing new cybersecurity job positions
Monthly newsletter focusing on open source cybersecurity tools