SecurityBrief UK - Technology news for CISOs & cybersecurity decision-makers

Firefox stories

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ExpressVPN launches VR app & hybrid browser extension

Last month
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data protection
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vpns
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cybersecurity
ExpressVPN debuts a Meta Quest VR app and hybrid browser extension, offering switchable browser-only or full-device VPN protection.
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CrowdStrike to buy Seraphic to secure browser sessions

Wed, 14th Jan 2026
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endpoint protection
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pam
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cloud security
CrowdStrike moves deeper into browser security with Seraphic buy, tying in SGNL identity tech to protect in-session activity and AI use.
Laptop shadowy figure reaching through screen unauthorized access device takeover

Hidden API in Comet AI browser exposes users to device takeovers

Thu, 20th Nov 2025
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malware
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cybersecurity
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chrome
A hidden API in the Comet AI browser can let extensions execute commands and seize control of users' devices, raising serious security concerns.
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Safari users at heightened risk from new fullscreen BitM attack

Fri, 30th May 2025
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casb
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sase
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edr
New research reveals Safari users face heightened risk from advanced Fullscreen Browser-in-the-Middle attacks due to unfixable API flaws undetected by current security tools.
Computer screen browser interface translucent extension icons glowing shield symbol security

ExtensionPedia launches with risk scores for 200K browser add-ons

Thu, 29th May 2025
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data protection
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physical security
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genai
LayerX Security launches ExtensionPedia, offering detailed risk scores for 200,000+ browser add-ons across Chrome, Edge, and Firefox to enhance user security.
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Cybersecurity warning issued over Iranian infrastructure threats

Thu, 24th Oct 2024
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mfa
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phishing
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email security
A coalition of global agencies warns of Iranian cyber threats targeting critical infrastructure, highlighting emerging tactics and unresolved vulnerabilities.
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What to do if you've become a victim of a data breach

Tue, 11th Oct 2022
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vpns
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breach prevention
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cybersecurity
Protecting your personal data is crucial in today's digital age. Here are four steps to take in the event of a data breach.
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Mozilla launches Firefox Send, an encrypted file transfer service

Tue, 19th Mar 2019
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encryption
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mozilla
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firefox
Mozille Firefox has launched a free encrypted file transfer service that allows people to securely share files from any web browser – not just Firefox.
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New study details how easy it is for hackers to steal your data

Thu, 15th Mar 2018
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malware
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cybersecurity
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hackers
It's no secret that web browsers store a substantial amount of sensitive information about their users - hackers are taking advantage of this.
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Bye bye, NPAPI: Mozilla issues critical update to Firefox, disables plugins

Fri, 10th Mar 2017
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microsoft
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mozilla
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browsers
Firefox has disabled all NPAPI plugin capability except Flash. Common plugins such as Adobe Acrobat, Java and Microsoft Silverlight no longer load.