If you dread a Microsoft Teams invite, just wait until it turns out to be a Russian phish

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Roses aren't cheap, violets are dear, now all your access token are belong to Vladimir Digital thieves – quite possibly Kremlin-linked baddies – have been emailing out bogus Microsoft Teams meeting invites to trick victims in key government and business sectors into handing over their authentication tokens, granting access to emails …

How to restrict Amazon S3 bucket access to a specific IAM role

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February 14, 2025: This post was updated with the recommendation to restrict S3 bucket access to an IAM role by using the aws:PrincipalArn condition key instead of the aws:userid condition key. April 2, 2021: In the section “Granting cross-account bucket access to a specific IAM role,” we …

What is device code phishing, and why are Russian spies so successful at it?

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Researchers have uncovered a sustained and ongoing campaign by Russian spies that uses a clever phishing technique to hijack Microsoft 365 accounts belonging to a wide range of targets, researchers warned. The technique is known as device code phishing. It exploits “device code flow,” a form of authentication formalized …

Nearly a Year Later, Mozilla is Still Promoting OneRep

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In mid-March 2024, KrebsOnSecurity revealed that the founder of the personal data removal service Onerep also founded dozens of people-search companies. Shortly after that investigation was published, Mozilla said it would stop bundling Onerep with the Firefox browser and wind down its partnership with the company. But nearly a …

Enhance Gemini model security with content filters and system instructions

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As organizations rush to adopt generative AI-driven chatbots and agents, it’s important to reduce the risk of exposure to threat actors who force AI models to create harmful content. We want to highlight two powerful capabilities of Vertex AI that can help manage this risk — content filters and …

DOGE as a National Cyberattack

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In the span of just weeks, the US government has experienced what may be the most consequential security breach in its history—not through a sophisticated cyberattack or an act of foreign espionage, but through official orders by a billionaire with a poorly defined government role. And the implications …

Financially motivated hackers are helping their espionage counterparts and vice versa

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There’s a growing collaboration between hacking groups engaging in espionage on behalf of nation-states and those seeking financial gains through ransomware and other forms of cybercrime, researchers noted this week. There has always been some level of overlap between these two groups, but it has become more pronounced …

The importance of encryption and how AWS can help

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February 12, 2025: This post was republished to include new services and features that have launched since the original publication date of June 11, 2020. Encryption is a critical component of a defense-in-depth security strategy that uses multiple defensive mechanisms to protect workloads, data, and assets. As organizations look …

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