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Chrome, Vivaldi, and the challenge of changing browsers

React2DoS (CVE-2026-23869): When the Flight Protocol Crashes at Takeoff

AndyC 10 April 2026

Executive Summary In this article, we disclose a new high severity unauthenticated remote denial‑of‑service vulnerability we identified and reported...

As breakout time accelerates, prevention-first cybersecurity takes center stage

AndyC 8 April 2026

Business Security Threat actors are using AI to supercharge tried-and-tested TTPs. When attacks move this fast, cyber-defenders need to rethink their own strategy. Phil Muncaster...

Digital assets after death: Managing risks to your loved one’s digital estate

AndyC 2 April 2026

Digital Security Fraudsters often target the accounts of the deceased or their grieving relatives. Here’s how to keep the scammers at bay. Phil Muncaster 01...

This month in security with Tony Anscombe – March 2026 edition

AndyC 1 April 2026

The past four weeks have seen a slew of new cybersecurity wake-up calls that showed why every organization needs a well-thought-out cyber-resilience plan 31 Mar...

RSAC 2026 wrap-up – Week in security with Tony Anscombe

AndyC 28 March 2026

This year, AI agents took the center stage – as a defensive capability, but more pressingly as a risk many organizations haven't caught up with...

A cunning predator: How Silver Fox preys on Japanese firms this tax season

AndyC 28 March 2026

Business Security Silver Fox is back in Japan, spoofing tax and HR emails timed to the one season when no one thinks twice about opening...

Virtual machines, virtually everywhere – and with real security gaps

AndyC 26 March 2026

Twenty years ago, almost to the day, Amazon Web Services (AWS) launched Simple Storage Service (S3). A few months later, the company’s Elastic Compute Cloud (EC2) service opened for public...