CISA and Partners Publish Guidance to Help Software Manufacturers and Online Service Providers Work With Security Researchers

CISA Joins NSA, FBI, DC3 and International Partners Warning of Russian Cyber Threat Activity Targeting Communications, Energy, Government and Other Critical Infrastructure Sectors

CISA Announces New Advisory Council to Strengthen Partnerships and Secure Critical Infrastructure

New CISA Guide Assists Federal Agencies with Transitioning to Modernized Zero Trust Architectures

CISA Issues New Directive Improving How Federal Agencies Prioritize the Mitigation of Cyber Vulnerabilities

CISA Announces Winners of the 2026 President’s Cup Cybersecurity Competition

CISA Urges Stronger Security for Automatic Tank Gauge Systems

CISA Announces Revised Town Hall Schedule to Engage with Stakeholders on Cyber Incident Reporting for Critical Infrastructure

CISA Enhances Known Exploited Vulnerabilities Catalog to Include New Nomination Form

CISA Unveils New Initiative to Fortify America’s Critical Infrastructure

AI threats in the wild: The current state of prompt injections on the web

Posted by Thomas Brunner, Yu-Han Liu, Moni Pande At Google, our Threat Intelligence teams are dedicated to staying ahead of real-world adversarial activity, proactively monitoring emerging threats before they can impact users. Right now, In

Bringing Rust to the Pixel Baseband

Posted by Jiacheng Lu, Software Engineer, Google Pixel Team Google is continuously advancing the security of Pixel devices. We have been focusing on hardening the cellular baseband modem against exploitation. Recognizing the risks associate

Protecting Cookies with Device Bound Session Credentials

Posted by Ben Ackerman, Chrome team, Daniel Rubery, Chrome team and Guillaume Ehinger, Google Account Security team Following our April 2024 announcement, Device Bound Session Credentials (DBSC) is now entering public availability for Windo

Google Workspace’s continuous approach to mitigating indirect prompt injections

Posted by Adam Gavish, Google GenAI Security Team Indirect prompt injection (IPI) is an evolving threat vector targeting users of complex AI applications with multiple data sources, such as Workspace with Gemini. This technique enables the

VRP 2025 Year in Review

Posted by Dirk Göhmann, Tony Mendez, and the Vulnerability Rewards Program Team 2025 marked a special year in the history of vulnerability rewards and bug bounty programs at Google: our 15th anniversary 🎉🎉🎉! Originally started in 2010, o

Security for the Quantum Era: Implementing Post-Quantum Cryptography in Android

Posted by Eric Lynch, Product Manager, Android and Dom Elliott, Group Product Manager, Google Play Modern digital security is at a turning point. We are on the threshold of using quantum computers to solve "impossible" problems in drug disc

Cultivating a robust and efficient quantum-safe HTTPS

Posted by Chrome Secure Web and Networking Team Today we're announcing a new program in Chrome to make HTTPS certificates secure against quantum computers. The Internet Engineering Task Force (IETF) recently created a working group, PKI, Lo

Staying One Step Ahead: Strengthening Android’s Lead in Scam Protection

Posted by Lyubov Farafonova, Product Manager, Phone by Google; Alberto Pastor Nieto, Sr. Product Manager Google Messages and RCS Spam and Abuse shared how Android’s proactive, multi-layered scam defenses utilize Google AI to protect users a

Keeping Google Play & Android app ecosystems safe in 2025

Posted by Vijaya Kaza, VP and GM, App & Ecosystem Trust Upgrading Google Play’s AI-powered, multi-layered user protections we prevented over 1.75 million policy-violating apps from being published on Google Play and banned more than 80,000

New Android Theft Protection Feature Updates: Smarter, Stronger

Posted by Nataliya Stanetsky, Fabricio Ferracioli, Elliot Sisteron, Irene Ang of the Android Security Team Phone theft is more than just losing a device; it's a form of financial fraud that can leave you suddenly vulnerable to personal data

HTTPS certificate industry phasing out less secure domain validation methods

Posted by Chrome Root Program Team Secure connections are the backbone of the modern web, but a certificate is only as trustworthy as the validation process and issuance practices behind it. Recently, the Chrome Root Program and the CA/Brow

Further Hardening Android GPUs

Posted by Liz Prucka, Hamzeh Zawawy, Rishika Hooda, Android Security and Privacy Team Last year, Google's Android Red Team partnered with Arm to conduct an in-depth security analysis of the Mali GPU, a component used in billions of Android

Architecting Security for Agentic Capabilities in Chrome

Posted by Nathan Parker, Chrome security team Chrome has been advancing the web’s security for well over 15 years, and we’re committed to meeting new challenges and opportunities with AI. Billions of people trust Chrome to keep them safe by

Android expands pilot for in-call scam protection for financial apps

Posted by Aden Haussmann, Associate Product Manager and Sumeet Sharma, Play Partnerships Trust & Safety Lead Android uses the best of Google AI and our advanced security expertise to tackle mobile scams from every angle. Over the last few y

Android Quick Share Support for AirDrop: A Secure Approach to Cross-Platform File Sharing

Posted by Dave Kleidermacher, VP, Platforms Security & Privacy, Google Technology should bring people closer together, not create walls. Being able to communicate and connect with friends and family should be easy regardless of the phone th

Rust in Android: move fast and fix things

Posted by Jeff Vander Stoep, Android Last year, we wrote about why a memory safety strategy that focuses on vulnerability prevention in new code quickly yields durable and compounding gains. This year we look at how this approach isn’t just

How Android provides the most effective protection to keep you safe from mobile scams

Posted by Lyubov Farafonova, Product Manager, Phone by Google; Alberto Pastor Nieto, Sr. Product Manager Google Messages and RCS Spam and Abuse; Vijay Pareek, Manager, Android Messaging Trust and Safety ¹ For years, Android has been on the

HTTPS by default

One year from now, with the release of Chrome 154 in October 2026, we will change the default settings of Chrome to enable “Always Use Secure Connections”. This means Chrome will ask for the user's permission before the first access to any

Accelerating adoption of AI for cybersecurity at DEF CON 33

Posted by Elie Bursztein and Marianna Tishchenko, Google Privacy, Safety and Security Team Empowering cyber defenders with AI is critical to tilting the cybersecurity balance back in their favor as they battle cybercriminals and keep users

Supporting Rowhammer research to protect the DRAM ecosystem

Posted by Daniel Moghimi Rowhammer is a complex class of vulnerabilities across the industry. It is a hardware vulnerability in DRAM where repeatedly accessing a row of memory can cause bit flips in adjacent rows, leading to data corruption

How Pixel and Android are bringing a new level of trust to your images with C2PA Content Credentials

Posted by Eric Lynch, Senior Product Manager, Android Security, and Sherif Hanna, Group Product Manager, Google C2PA Core At Made by Google 2025, we announced that the new Google Pixel 10 phones will support C2PA Content Credentials in Pixe

Android’s pKVM Becomes First Globally Certified Software to Achieve Prestigious SESIP Level 5 Security Certification

Posted by Dave Kleidermacher, VP Engineering, Android Security & Privacy Today marks a watershed moment and new benchmark for open-source security and the future of consumer electronics. Google is proud to announce that protected KVM (pKVM)

Introducing OSS Rebuild: Open Source, Rebuilt to Last

Posted by Matthew Suozzo, Google Open Source Security Team (GOSST) Today we're excited to announce OSS Rebuild, a new project to strengthen trust in open source package ecosystems by reproducing upstream artifacts. As supply chain attacks c

Advancing Protection in Chrome on Android

Posted by David Adrian, Javier Castro & Peter Kotwicz, Chrome Security Team Android recently announced Advanced Protection, which extends Google’s Advanced Protection Program to a device-level security setting for Android users that need he

Mitigating prompt injection attacks with a layered defense strategy

Posted by Adam Gavish, Google GenAI Security Team With the rapid adoption of generative AI, a new wave of threats is emerging across the industry with the aim of manipulating the AI systems themselves. One such emerging attack vector is ind

New wp2shell WordPress Core Flaw Lets Unauthenticated Attackers Run Code

An anonymous HTTP request can run code on a WordPress site. The bug is in core, so a bare install with zero plugins is exploitable. Every 6.9 and 7.0 site was in range until Friday, when WordPress shipped 6.9.5 and 7.0.2 and enabled what it

Friday Squid Blogging: Squid Washing Up on Cape Cod Beach

Lots of articles about this. As usual, you can also use this squid post to talk about the security stories in the news that I haven’t covered. Blog moderation policy.

OpenSSL HollowByte Flaw Could Freeze Server Memory with 11-Byte TLS Requests

Eleven bytes will make an unpatched OpenSSL server set aside up to 131 KB of memory for a message that never arrives. On the glibc systems Okta tested, that memory is gone until the process restarts. OpenSSL shipped the HollowByte fix in Ju

Seven Malicious Vite npm Packages Use Blockchain C2 to Deliver a RAT

Cybersecurity researchers have discovered a cluster of seven malicious npm packages targeting the Vite frontend tooling ecosystem as part of a software supply chain attack. The malicious package campaign, codenamed ViteVenom by Checkmarx, m

New NadMesh Botnet Hunts Exposed AI Services for Cloud Keys and Kubernetes Tokens

A Go botnet called NadMesh turned up in early July hunting exposed AI services, and the operator's own dashboard claims 3,811 unique AWS keys. A Shodan harvester keeps the scan queue stocked with ComfyUI, Ollama, n8n, Open WebUI, Langflow,

GoldenEyeDog Subgroup Linked to DigiCert Breach and Code-Signing Certificate Theft

Cybersecurity researchers have attributed the April 2026 DigiCert security incident to a threat activity cluster dubbed CylindricalCanine. Expel, which shared technical details of the event, described the threat actor as a sub-group of Gold

Fake Coding Tests Deliver OtterCookie-Aligned Malware Hidden in SVG Flag Images

North Korean threat actors linked to the Contagious Interview campaign have been observed employing steganography in SVG image files to conceal malicious payloads as part of a campaign using fake job postings and coding challenges. "Any use

E.U. Orders Google to Open Android Mic, Camera and Screen to Rival AI Assistants

The European Commission on Thursday ordered Google to give rival AI assistants the same reach into Android that Gemini already has: the camera, the microphone, whatever is on screen, a wake word that fires with the display off, and the abil

The Race to Field Military Autonomy Is On, Can Trusted Information Infrastructure Keep Pace?

Military forces are under increasing pressure to field autonomous capabilities faster than ever before. Across the U.S., UK, and NATO, new investment, evolving defense strategies, and accelerated acquisition pathways are transforming how ca

Details of Alan Turing’s Voice Encryption System

Really interesting piece of cryptographic history: In November 2023, a large cache of his wartime papers—nicknamed the “Bayley papers”—was auctioned in London for almost half a million U.S. dollars. The previously unknown cache contains man

Armenia Detains Russian Tourist on U.S. Warrant for REvil Hacker, Lawyers Say Wrong Man

Armenia has held a Russian tourist named Aleksandr Ermakov in a detention center since June 28, on a U.S. extradition request for a REvil ransomware suspect named Aleksandr Ermakov. His wife, Maria Yurova, told REN TV that border officers p

ACR Stealer Uses ClickFix Lures to Steal Browser Tokens and Microsoft 365 Files

ACR Stealer, an infostealer in circulation since 2024, is walking out of enterprise networks with saved browser passwords, live session tokens, PDFs, Microsoft 365 documents, and files from synced OneDrive and SharePoint folders. It gets in

New GoSerpent Malware Targets Southeast Asian Governments and Diplomats for Espionage

Cybersecurity researchers have discovered a previously undocumented malware called GoSerpent that has been put to use in cyber attacks targeting entities in Southeast Asia since late 2025 with a focus on long-term access and intelligence ga

CISA Adds Exploited SharePoint RCE Zero-Day CVE-2026-58644 to KEV

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added a newly patched security flaw impacting Microsoft SharePoint Server to its Known Exploited Vulnerabilities (KEV) catalog, requiring Federal Civilian Executiv

Two Scattered Spider Hackers Get 5.5 Years Each for £29 Million TfL Hack

Owen Flowers, 18, and Thalha Jubair, 20, were each sentenced to five and a half years at Woolwich Crown Court on Thursday, 16 July 2026, for the 2024 hack of Transport for London. The attack left 148 TfL systems inoperable and forced all 27

ThreatsDay: Game Cheat Spyware, 24-Hour Ransomware, Chrome Sync Stalking + 12 More Stories

A lot of this week’s trouble starts with something that looks close enough. A familiar repo. A useful installer. A harmless sync setting. Then the handoff goes bad, the box starts talking to someone else, and the damage moves faster than th

Protecting Privacy in an AI Era

Daniel Solove argues in the Wall Street Journal (alternate link) that giving people control of their personal data is not an effective way to regulate privacy in this era. Instead, we need to hold companies accountable for their actions, si

n8n Token Exchange Flaw Could Let Attackers Log In as Users From Another Issuer

n8n, the workflow automation platform, handed out the wrong accounts at login. On Enterprise instances configured to trust more than one external token issuer, it matched an incoming JWT to a local user on the sub claim alone and ignored is

New TELEPUZ Malware Spreads via ClickFix to Steal Data and Run Commands

Cybersecurity researchers have called attention to a new modular malware called TELEPUZ that's been spreading via websites infected with ClickFix lures since late April 2026. "The malware is full-featured, lightweight, and modular," Elastic

New ClickLock macOS Stealer Kills Apps Every 210ms Until Victims Type Their Password

ClickLock Stealer, a new macOS infostealer, answers a victim's refusal by killing their apps on a loop until they hand over the login password. It arrives as a command pasted into Terminal, asks for the password behind a fake system dialog,

20+ Hijacked Government Websites Became an Attack Channel

More than 20 Brazilian government websites were hijacked and turned into malware delivery channels in an active PhantomEnigma campaign uncovered by ANY.RUN, a leading provider of interactive malware analysis and threat intelligence solution

New Agent Data Injection Attack Can Make AI Agents Misclick or Run Attacker Commands

Ask an AI agent to summarize the reviews on a product page, and a single planted review can make it click "Buy Now" instead. Ask a coding assistant to apply a maintainer's fix from a GitHub thread, and a fake comment can make it run a stran

Daxin Resurfaces in Taiwan Alongside Stupig Pre-Login SYSTEM Backdoor

An advanced malware previously attributed to a China-linked threat actor has resurfaced after more than four years within a Taiwan manufacturing firm, along with a previously unreported backdoor dubbed Stupig. Daxin ("srt64.sys"), as the ke

AI Can Find Bugs, But Human Knowledge Still Proves Them

Artificial intelligence (AI) is changing offensive security, but it has not changed the standard that matters most: a finding has to be proven before it becomes useful. AI-assisted tools can read code quickly, generate payloads, summarize a

Unpatched Shark Vacuum Flaw Could Let Attackers Control Other Vacuums Region-Wide

Pull the certificate off the flash of a Shark RV2320EDUS robot vacuum, and you can run root commands on other people's Shark vacuums across the same AWS region: watch the camera, drive the robot, read the map of the house, and take the Wi-F

OpenAI’s GPT-Red Automates Prompt Injection Testing to Harden GPT-5.6 Sol

OpenAI has disclosed details of GPT-Red, an internal automated red-teaming model that scales prompt injection vulnerability discovery with an aim to fix issues before the tools are deployed widely. "GPT‑Red is a strong red-teamer, and our p

Zoom Patches Critical Windows Flaw That Could Enable Account Takeover

Zoom has released security updates for a critical security flaw impacting Zoom Workplace for Windows that could facilitate account takeover. The vulnerability, tracked as CVE-2026-53412 (CVSS score: 9.8), affects Zoom Workplace for Windows

TuxBot v3 Evolution Shows Signs of LLM-Assisted IoT Botnet Development

Cybersecurity researchers have disclosed details of a previously unreported Internet-of-Things (IoT) botnet framework dubbed TuxBot v3 Evolution that shows signs of being developed with assistance from a large language model (LLM), albeit w

A Video Screen That Is Also a Camera

Amazing: Researchers from ETH Zurich in Switzerland, however, managed to create a new type of pixel that can simultaneously do both. This hypercharged pixel, called a Fourier pixel, can generate and sense arbitrary light fields and tap into

Microsoft Patches a Record 570 Security Flaws

Microsoft Corp. today released software updates to plug at least 570 security holes in its Windows operating systems and other software, almost triple the number of vulnerabilities the software giant fixed in its record-smashing Patch Tuesd

Upcoming Speaking Engagements

This is a current list of where and when I am scheduled to speak: I’m speaking (virtually) at the Policy-Relevant Privacy Research Workshop in Calgary, Canada, on Monday, July 20, 2026. I’m speaking at Boston Leadership Exchange in Boston,

Vulnerability in FIFA’s Network

FIFA’s network was vulnerable to anyone with even minimal access.

Lessons Learned from CISA’s Recent GitHub Leak

The Cybersecurity and Infrastructure Security Agency (CISA) has issued a postmortem on a data leak in which a contractor published dozens of internal CISA credentials -- including AWS Govcloud keys -- in a public GitHub repository for almos

AI Data Centers and the Concentration of Wealth

This essay was written with Nathan E. Sanders, and originally appeared in The Guardian. Opposition to AI data centers has emerged as a primary theme in US politics, one that—surprisingly—doesn’t fall along party lines. We applaud people com

Friday Squid Blogging: “Squidbleed” Vulnerability

In a rare combined cybersecurity/squid post, a twenty-nine-year-old squid proxy bug can leak HTTP requests. As usual, you can also use this squid post to talk about the security stories in the news that I haven’t covered. Blog moderation po

AI Surveillance and Social Progress

In the near future, AI-powered surveillance systems will be able to track everything we do in public, and much of what we do in private. And if we do something wrong—shoplift, litter, jaywalk, you name it—the system will notice, retain it,

The Language of AI Could Change How Humans Speak

Because of the way they are trained, large language models capture only a slice of human language. They’re trained on the written word, from textbooks to social media posts, and our speech as captured in movies and on television. These mode

Felons, Fraudsters Flog Offensive Cybersecurity Startup

A cybersecurity startup dangling millions of dollars to acquire zero-day security vulnerabilities in popular software is run by a pair of far-right conspiracy theorists and convicted felons whose most recent ventures included fake intellige

FBI Seizes NetNut Proxy Platform, Popa Botnet

The Federal Bureau of Investigation (FBI) said today it worked with industry partners to seize hundreds of domains associated with NetNut, a sprawling residential proxy service operated by the publicly-traded Israeli company Alarum Technolo

Scattered Spider Hackers Plead Guilty on Day 1 of Trial

Two men pleaded guilty in the United Kingdom this week to criminal charges stemming from an August 2024 cyberattack that crippled Transport for London, the entity responsible for the public transport network in the Greater London area. The

‘Popa’ Botnet Linked to Publicly-Traded Israeli Firm

For the past four years, a sprawling Android-based botnet called Popa has forced millions of consumer TV boxes to relay Internet traffic linked to advertising fraud, account takeovers, and mass data-scraping efforts. This week, researchers

Who Runs the Ransomware Group ‘The Gentlemen?’

A cybercrime group known as The Gentlemen has emerged as the second most active ransomware gang by victim count, rapidly attracting a talented pool of hackers through an aggressive recruitment strategy that promises affiliates 90 percent of

A Record-Breaking Patch Tuesday for June 2026

Microsoft today released software updates to plug nearly 200 security holes across its Windows operating systems and supported software, a record number of fixes for the company's monthly Patch Tuesday cycle. Nearly three dozen of those bug

Hackers Used Meta’s AI Support Bot to Seize Instagram Accounts

The Instagram accounts for the Obama White House and the Chief Master Sergeant of the U.S. Space Force were briefly defaced with pro-Iranian images and messages over the weekend, after instructions began circulating on Telegram showing how

Netherlands Seizes 800 Servers, Arrests 2 for Aiding Cyberattacks

Authorities in the Netherlands have arrested the co-owners of two related Internet hosting companies for operating IT infrastructure used by Russia to carry out cyberattacks, influence operations and disinformation campaigns inside the Euro