Tag: browser
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AI agents can bypass guardrails and put credentials at risk, Okta study finds
Phishing the agent: Why AI guardrails aren’t enough, a report on tests conducted by cloud identity and access management (IAM) company Okta Threat Intelligence, which uncovered all of the problems cited above, and more.Their research focused on OpenClaw, a model-agnostic multi-channel AI assistant which has seen explosive growth inside enterprises since appearing in late 2025.…
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AI agents can bypass guardrails and put credentials at risk, Okta study finds
Phishing the agent: Why AI guardrails aren’t enough, a report on tests conducted by cloud identity and access management (IAM) company Okta Threat Intelligence, which uncovered all of the problems cited above, and more.Their research focused on OpenClaw, a model-agnostic multi-channel AI assistant which has seen explosive growth inside enterprises since appearing in late 2025.…
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Billions of Chrome Users Urged to Update After Google Patches 30 Security Flaws
Google patched 30 Chrome vulnerabilities, including four Critical flaws. Here’s what users should know and how to update Chrome and Firefox. The post Billions of Chrome Users Urged to Update After Google Patches 30 Security Flaws appeared first on TechRepublic. First seen on techrepublic.com Jump to article: www.techrepublic.com/article/news-google-chrome-security-update-30-vulnerabilities-april-2026/
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Copy Fail (CVE-2026-31431): Frequently asked questions about Linux kernel privilege escalation vulnerability
Tags: access, ai, attack, browser, cisa, cloud, container, crypto, cve, cybersecurity, data, exploit, flaw, infrastructure, kev, linux, mitigation, ransomware, risk, tool, update, vulnerabilityA flaw in the Linux kernel present since 2017 allows a local user to gain root access on virtually every major Linux distribution. A public exploit is available and reported to work reliably. Key Takeaways CVE-2026-31431 is a high severity local privilege escalation vulnerability in the Linux kernel reportedly affecting virtually every major distribution released…
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Claude Mythos Has Found 271 Zero-Days in Firefox
That’s a lot. No, it’s an extraordinary number: Since February, the Firefox team has been working around the clock using frontier AI models to find and fix latent security vulnerabilities in the browser. We wrote previously about our collaboration with Anthropic to scan Firefox with Opus 4.6, which led to fixes for 22 security-sensitive bugs…
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82 Chrome Extensions Found Selling User Data, 6.5 Million Users Affected
LayerX research finds 82 Chrome extensions collecting and selling user data, affecting at least 6.5 million users through disclosed but concerning practices. First seen on hackread.com Jump to article: hackread.com/82-chrome-extensions-selling-user-data/
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Firefox bug CVE-2026-6770 enabled cross-site tracking and Tor fingerprinting
CVE-2026-6770 let attackers fingerprint Firefox and Tor users, even in Private mode. Firefox 150 and Tor Browser 15.0.10 fixed it. A vulnerability, tracked as CVE-2026-6770, allowed attackers to fingerprint Firefox users, even in Private Browsing, and also impacted the Tor Browser. The flaw worked even when Tor’s New Identity feature was used, bypassing protections meant…
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Week in review: Claude Mythos finds 271 Firefox flaws, Vercel breach
Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: SmokedMeat: Open-source tool shows what attackers do inside CI/CD pipelines … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/04/26/week-in-review-claude-mythos-finds-271-firefox-flaws-vercel-breach/
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Privacy Vulnerability in Firefox and TOR Browsers
The security company Fingerprint discovered how on Firefox browsers, websites could track users even if they used private browsing tabs or the anonymity focused TOR browser. Mozilla closed the vulnerability in Firefox 150, that was released on April 21st 2026. This vulnerability is another example how a subtle lack of entropy in the software industry…
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Why Chrome Zero-Days Keep Winning and What Enterprises Need to Change Blog – Menlo Security
Fourth Chrome zero-day of 2026 exposes a bigger issue: patching is too slow. Learn why browser isolation is key to preventing modern attacks. First seen on securityboulevard.com Jump to article: securityboulevard.com/2026/04/why-chrome-zero-days-keep-winning-and-what-enterprises-need-to-change-blog-menlo-security/
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20.000 Nutzer betroffen – Bösartige Chrome-Erweiterungen stehlen Google- und Telegram-Daten
First seen on security-insider.de Jump to article: www.security-insider.de/boesartige-chrome-erweiterungen-stehlen-google-telegram-daten-a-a5061625029c52a58936a94487a2a353/
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Claude Mythos Exposes 271 Zero-Day Security Flaws in Firefox
Mozilla has released Firefox 150, addressing a staggering 271 zero-day vulnerabilities. The security team identified these latent flaws using Anthropic’s early-stage Claude Mythos Preview AI model. This massive cleanup represents a major shift in how tech companies detect and defend against cyber threats. The Firefox team has spent recent months working alongside Anthropic to scan…
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Mozilla Fixes 271 Firefox Bugs Using Anthropic’s Mythos AI
Mozilla says Firefox 150 patches 271 vulnerabilities found with Anthropic’s restricted Mythos AI, highlighting how quickly AI-driven bug hunting is accelerating. The post Mozilla Fixes 271 Firefox Bugs Using Anthropic’s Mythos AI appeared first on TechRepublic. First seen on techrepublic.com Jump to article: www.techrepublic.com/article/news-mozilla-firefox-150-patched-271-security-flaws/
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Mozilla Fixes 271 Firefox Bugs Using Anthropic’s Mythos AI
Mozilla says Firefox 150 patches 271 vulnerabilities found with Anthropic’s restricted Mythos AI, highlighting how quickly AI-driven bug hunting is accelerating. The post Mozilla Fixes 271 Firefox Bugs Using Anthropic’s Mythos AI appeared first on TechRepublic. First seen on techrepublic.com Jump to article: www.techrepublic.com/article/news-mozilla-firefox-150-patched-271-security-flaws/
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Mozilla Fixes 271 Firefox Bugs Using Anthropic’s Mythos AI
Mozilla says Firefox 150 patches 271 vulnerabilities found with Anthropic’s restricted Mythos AI, highlighting how quickly AI-driven bug hunting is accelerating. The post Mozilla Fixes 271 Firefox Bugs Using Anthropic’s Mythos AI appeared first on TechRepublic. First seen on techrepublic.com Jump to article: www.techrepublic.com/article/news-mozilla-firefox-150-patched-271-security-flaws/
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EClient – Thunderbird 150 bessert bei verschlüsselten E-Mails nach
Nach Firefox 150 hat Mozilla auch für den E-Mail-Client Thunderbird die Jubiläumsversion veröffentlicht. First seen on computerbase.de Jump to article: www.computerbase.de/news/apps/e-mail-client-thunderbird-150-bessert-bei-verschluesselten-e-mails-nach.97032
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Claude Mythos finds 271 Firefox flaws, Mozilla believes it shifts security toward defenders
The Mozilla Foundation tested Claude Mythos, an Anthropic AI model that has stirred debate in the cybersecurity community. Before granting access to Mythos, Mozilla scanned … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/04/22/claude-mythos-mozilla-vulnerabilities-scanning/
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Mozilla Firefox 150 Released With Fixes for Multiple Code Execution Vulnerabilities
Mozilla has released Firefox 150 to patch 41 security vulnerabilities, including multiple high-severity flaws that could lead to remote code execution. Users should immediately update their browsers to protect against these critical memory corruption and use-after-free bugs. Critical Vulnerability Details The most dangerous flaws include use-after-free vulnerabilities in the DOM (CVE-2026-6746) and WebRTC (CVE-2026-6747) components.…
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Mozilla härtet Webbrowser: Claude Mythos findet 271 Sicherheitslücken in Firefox
Mozilla hat Hunderte Sicherheitslücken in Firefox geschlossen, die mit Anthropics neuer Mythos-KI entdeckt wurden. Leicht war das offenkundig nicht. First seen on golem.de Jump to article: www.golem.de/news/mozilla-haertet-webbrowser-claude-mythos-findet-271-sicherheitsluecken-in-firefox-2604-207852.html
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Firefox 150 – Jubiläum mit besser geteilter Ansicht und neuen Tab-Funktionen
Tags: browserMozilla hat Firefox 150 veröffentlicht und spendiert dem Browser zum Jubiläum eine verbesserte geteilte Ansicht und weitere Neuerungen. First seen on computerbase.de Jump to article: www.computerbase.de/news/apps/firefox-150-jubilaeum-mit-besser-geteilter-ansicht-und-neue-tab-funktionen.97010
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Firefox 150 – Jubiläum mit besser geteilter Ansicht und neue Tab-Funktionen
Tags: browserMozilla hat Firefox 150 veröffentlicht und spendiert dem Browser zum Jubiläum eine verbesserte geteilte Ansicht und weitere Neuerungen. First seen on computerbase.de Jump to article: www.computerbase.de/news/apps/firefox-150-jubilaeum-mit-besser-geteilter-ansicht-und-neue-tab-funktionen.97010
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Mythos found 271 Firefox flaws but none a human couldn’t spot
Mozilla CTO says AI means developers finally have a chance to get on top of security First seen on theregister.com Jump to article: www.theregister.com/2026/04/22/mozilla_firefox_mythos_future_defenders/
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Mozilla: Anthropic’s Mythos found 271 security vulnerabilities in Firefox 150
CTO says new AI model is “every bit as capable” as world’s best security researchers. First seen on arstechnica.com Jump to article: arstechnica.com/ai/2026/04/mozilla-anthropics-mythos-found-271-zero-day-vulnerabilities-in-firefox-150/
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Mozilla: Anthropic’s Mythos found 271 zero-day vulnerabilities in Firefox 150
CTO says new AI model is “every bit as capable” as world’s best security researchers. First seen on arstechnica.com Jump to article: arstechnica.com/ai/2026/04/mozilla-anthropics-mythos-found-271-zero-day-vulnerabilities-in-firefox-150/
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Mozilla Used Anthropic’s Mythos to Find and Fix 271 Bugs in Firefox
The Firefox team doesn’t think emerging AI capabilities will upend cybersecurity long term, but they warn that software developers are likely in for a rocky transition. First seen on wired.com Jump to article: www.wired.com/story/mozilla-used-anthropics-mythos-to-find-271-bugs-in-firefox/
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12 Fraudulent Browser Extensions Disguised as TikTok Downloaders Compromise 130K Users
LayerX security researchers have uncovered a massive, highly coordinated campaign involving at least 12 malicious browser extensions on the Google Chrome and Microsoft Edge marketplaces. Disguised as legitimate TikTok video downloaders, these extensions secretly track user activity and harvest sensitive data. The operation has successfully compromised over 130,000 users, with approximately 12,500 installations still active…
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SideWinder Spoofs Chrome PDF Viewer, Zimbra to Steal Government Webmail Logins
SideWinder is running an active credential”‘harvesting campaign that uses a fake Chrome PDF viewer and a pixel”‘perfect Zimbra clone on Cloudflare Workers to steal government webmail credentials from South Asian targets, including the Bangladesh Navy and Pakistan’s Ministry of Foreign Affairs. The campaign came to light after a Cloudflare Workers URL was spotted harvesting credentials…
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The 5 Best VPN Extensions for Chrome
Looking for the best Chrome VPN extensions in 2026 to enhance your online security and privacy? Dive into our list of top-rated VPNs and find your best fit. The post The 5 Best VPN Extensions for Chrome appeared first on TechRepublic. First seen on techrepublic.com Jump to article: www.techrepublic.com/article/best-chrome-vpn-extensions/
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The 5 Best VPN Extensions for Chrome
Looking for the best Chrome VPN extensions in 2026 to enhance your online security and privacy? Dive into our list of top-rated VPNs and find your best fit. The post The 5 Best VPN Extensions for Chrome appeared first on TechRepublic. First seen on techrepublic.com Jump to article: www.techrepublic.com/article/best-chrome-vpn-extensions/