Google announces Sec-Gemini v1, a new experimental cybersecurity model

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Posted by Elie Burzstein and Marianna Tishchenko, Sec-Gemini team Today, we’re announcing Sec-Gemini v1, a new experimental AI model focused on advancing cybersecurity AI frontiers.  As outlined a year ago, defenders face the daunting task of securing against all cyber threats, while attackers need to successfully find and exploit only a single vulnerability. This fundamental asymmetry has made securing systems extremely difficult, time consuming and error prone. AI-powered cybersecurity workflows have the potential to help shift the balance back to the defenders by force multiplying cybersecurity professionals like never before.   Effectively powering SecOps workflows requires state-of-the-art reasoning capabilities and extensive current cybersecurity knowledge. Sec-Gemini v1 achieves this by combining Gemini’s advanced capabilities with near real-time cybersecurity knowledge and tooling. This combination allows it to achieve superior performance on key…
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Taming the Wild West of ML: Practical Model Signing with Sigstore (Google Online Security Blog)

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Posted by Mihai Maruseac, Google Open Source Security Team (GOSST) In partnership with NVIDIA and HiddenLayer, as part of the Open Source Security Foundation, we are now launching the first stable version of our model signing library. Using digital signatures like those from Sigstore, we allow users to verify that the model used by the application is exactly the model that was created by the developers. In this blog post we will illustrate why this release is important from Google’s point of view. With the advent of LLMs, the ML field has entered an era of rapid evolution. We have seen remarkable progress leading to weekly launches of various applications which incorporate ML models to perform tasks ranging from customer support, software development, and even performing security critical tasks. However,…
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Taming the Wild West of ML: Practical Model Signing with Sigstore

Actualités
Posted by Mihai Maruseac, Google Open Source Security Team (GOSST) In partnership with NVIDIA and HiddenLayer, as part of the Open Source Security Foundation, we are now launching the first stable version of our model signing library. Using digital signatures like those from Sigstore, we allow users to verify that the model used by the application is exactly the model that was created by the developers. In this blog post we will illustrate why this release is important from Google’s point of view. With the advent of LLMs, the ML field has entered an era of rapid evolution. We have seen remarkable progress leading to weekly launches of various applications which incorporate ML models to perform tasks ranging from customer support, software development, and even performing security critical tasks. However,…
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SpotBugs Access Token Theft Identified as Root Cause of GitHub Supply Chain Attack

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The cascading supply chain attack that initially targeted Coinbase before becoming more widespread to single out users of the "tj-actions/changed-files" GitHub Action has been traced further back to the theft of a personal access token (PAT) related to SpotBugs. "The attackers obtained initial access by taking advantage of the GitHub Actions workflow of SpotBugs, a popular open-source tool for
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Have We Reached a Distroless Tipping Point?

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There’s a virtuous cycle in technology that pushes the boundaries of what’s being built and how it’s being used. A new technology development emerges and captures the world's attention. People start experimenting and discover novel applications, use cases, and approaches to maximize the innovation's potential. These use cases generate significant value, fueling demand for the next iteration of
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OPSEC Failure Exposes Coquettte’s Malware Campaigns on Bulletproof Hosting Servers

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A novice cybercrime actor has been observed leveraging the services of a Russian bulletproof hosting (BPH) provider called Proton66 to facilitate their operations. The findings come from DomainTools, which detected the activity after it discovered a phony website named cybersecureprotect[.]com hosted on Proton66 that masqueraded as an antivirus service. The threat intelligence firm said it
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Critical Ivanti Flaw Actively Exploited to Deploy TRAILBLAZE and BRUSHFIRE Malware

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Ivanti has disclosed details of a now-patched critical security vulnerability impacting its Connect Secure that has come under active exploitation in the wild. The vulnerability, tracked as CVE-2025-22457 (CVSS score: 9.0), concerns a case of a stack-based buffer overflow that could be exploited to execute arbitrary code on affected systems. "A stack-based buffer overflow in Ivanti Connect
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Critical Flaw in Apache Parquet Allows Remote Attackers to Execute Arbitrary Code

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A maximum severity security vulnerability has been disclosed in Apache Parquet's Java Library that, if successfully exploited, could allow a remote attacker to execute arbitrary code on susceptible instances. Apache Parquet is a free and open-source columnar data file format that's designed for efficient data processing and retrieval, providing support for complex data, high-performance
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CERT-UA Reports Cyberattacks Targeting Ukrainian State Systems with WRECKSTEEL Malware

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The Computer Emergency Response Team of Ukraine (CERT-UA) has revealed that no less than three cyber attacks were recorded against state administration bodies and critical infrastructure facilities in the country with an aim to steal sensitive data. The campaign, the agency said, involved the use of compromised email accounts to send phishing messages containing links pointing to legitimate
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Microsoft Warns of Tax-Themed Email Attacks Using PDFs and QR Codes to Deliver Malware

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Microsoft is warning of several phishing campaigns that are leveraging tax-related themes to deploy malware and steal credentials. "These campaigns notably use redirection methods such as URL shorteners and QR codes contained in malicious attachments and abuse legitimate services like file-hosting services and business profile pages to avoid detection," Microsoft said in a report shared with The
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