How to Spot Malware Disguised as a Signed Productivity App

How to Spot Malware Disguised as a Signed Productivity App If you use apps like Microsoft Teams, Slack, or Notion, you probably trust them because they come from well-known companies. That trust is exactly what a new malware campaign called TamperedChef is exploiting. The malware hides inside seemingly legitimate productivity applications that have been digitally signed—sometimes with stolen certificates, sometimes with fake ones. Once installed, it delivers information stealers and remote access trojans (RATs), giving attackers control over your system. ...

June 7, 2026 · 4 min · BriefArc Desk

How to Protect Your Privacy When Using AI Tools: Advice from Proton's CEO

How to Protect Your Privacy When Using AI Tools: Advice from Proton’s CEO AI tools like ChatGPT, Google Bard, and Microsoft Copilot are now part of daily life for millions of people. They help us draft emails, summarize documents, brainstorm ideas, and even code. But every time you paste a block of text or ask a question, you are handing over data that can be stored, analyzed, and possibly used to train future models. ...

June 7, 2026 · 4 min · BriefArc Desk

Privacy in the AI Era: What Keeps Proton’s CEO Awake—and How You Can Protect Yourself

Privacy in the AI Era: What Keeps Proton’s CEO Awake—and How You Can Protect Yourself In a recent interview with Spiceworks, Proton’s CEO Andy Yen offered a refreshingly frank take on privacy in the age of AI. On one hand, he believes that meaningful privacy is still achievable—even as AI tools become embedded in our daily workflows. On the other, he pointed to a specific threat that keeps him up at night: the way AI providers are quietly shifting from being tools to being data brokers. ...

June 7, 2026 · 4 min · BriefArc Desk

What to do after a data breach affects your accounts

Privacy in the Age of AI: Proton’s CEO Explains the Real Risk The rapid adoption of AI tools over the past year has reshaped how people work, search, and create. But for many users, the excitement is tempered by a growing unease about what happens to the data they feed into these systems. In a recent interview with Spiceworks, Proton’s CEO offered a blunt assessment of where we stand—and what genuinely worries him. ...

June 7, 2026 · 3 min · BriefArc Desk

How TamperedChef Malware Turns Trusted Productivity Apps Into Stealthy Threats

How TamperedChef Malware Turns Trusted Productivity Apps Into Stealthy Threats If you download a popular app like TeamViewer, Slack, or Zoom and see that it’s digitally signed, you probably assume it’s safe. That assumption is understandable, but it’s no longer reliable. A recent malware campaign called TamperedChef is showing exactly how attackers are abusing signed productivity applications to slip past traditional defenses and install information stealers and remote access trojans (RATs). ...

June 7, 2026 · 4 min · BriefArc Desk

What Proton’s CEO Fears Most About AI Privacy — and How to Protect Yourself

What Proton’s CEO Fears Most About AI Privacy — and How to Protect Yourself Six years after the launch of ChatGPT reshaped how people interact with technology, Proton CEO Andy Yen says privacy in the AI era is not only possible but necessary. But there is one thing that keeps him up at night. In a recent interview with Spiceworks, Yen pointed to a specific risk that many users overlook while they tap into convenient AI tools. ...

June 7, 2026 · 4 min · BriefArc Desk

New Malware Hides Inside Signed Productivity Apps – Here's How to Stay Safe

New Malware Hides Inside Signed Productivity Apps – Here’s How to Stay Safe If you’ve ever downloaded a free PDF editor or a note-taking app from a third-party site, you may have assumed it was safe because the installer was digitally signed. A recent threat called TamperedChef shows why that assumption no longer holds. Security researchers have documented how this malware uses legitimate code-signing certificates to distribute stealers and remote access trojans (RATs) through productivity applications that appear trustworthy. ...

June 7, 2026 · 4 min · BriefArc Desk

Proton CEO: The Biggest Privacy Risk in AI and How to Protect Yourself

Proton CEO: The Biggest Privacy Risk in AI and How to Protect Yourself Andy Yen, CEO of Proton, has said that privacy in the AI era is achievable—but he also pointed to one concern that keeps him up at night. In a recent interview cited by Spiceworks, Yen warned that the way most AI services centralize and use personal data poses a greater threat than many users realize. For people who rely on tools like ChatGPT, Grammarly, or image generators, the trade-off often comes down to convenience over control. ...

June 7, 2026 · 4 min · BriefArc Desk

Malware Hides in Signed Productivity Apps: What to Watch For

Malware Hides in Signed Productivity Apps: What to Watch For A new malware campaign is targeting people who download productivity apps like office suites and collaboration tools. Security researchers have identified a threat they’re calling TamperedChef—malware that arrives inside what looks like a legitimate, signed application. The problem is that the digital signature checks out, even though the app itself is dangerous. ...

June 7, 2026 · 4 min · BriefArc Desk

TamperedChef Malware: How Signed Productivity Apps Are Spreading Stealers and RATs

TamperedChef Malware: How Signed Productivity Apps Are Spreading Stealers and RATs Most people assume that if a piece of software carries a valid digital signature from a known vendor, it’s safe to run. Cybercriminals behind a recently spotted campaign called TamperedChef are exploiting that trust. They are taking legitimate, signed productivity applications—like Microsoft Office and Google Workspace programs—modifying them to include malware, and then distributing the tampered copies through fake download sites and phishing emails. ...

June 7, 2026 · 4 min · BriefArc Desk