Latest cybersecurity reporting from selected sources.

The AI systems shipping inside enterprises today are fundamentally different from the ones we were building even two years ago, because they have moved well past answering questions and into accessing your email, retrieving records from your CRM, writing and executing code, and taking actions on your behalf across dozens of connected systems. The post Introducing RAMPART and Clarity: Open source tools to bring safety into Agent development workflow appeared first on Microsoft Security Blog.

Who needs MFA when you've got EvilTokens? Hundreds of organizations have been compromised daily by a Microsoft device-code phishing campaign that uses AI and automation at nearly every stage of the attack chain to ultimately snoop through corporate email inboxes and steal financial data.…

Microsoft has upgraded its AI-powered Copilot digital assistant to connect to email accounts and generate Office documents from prompt outputs. [...]

Microsoft is calling attention to a new phishing campaign primarily aimed at U.S.-based organizations that has likely utilized code generated using large language models (LLMs) to obfuscate payloads and evade security defenses

Microsoft Patched Flaw Allowing Attackers to Hijack Copilot ResponsesA well-phrased email was all an attacker would have needed to trick Microsoft Copilot into handing over sensitive data until the operating system giant patched the vulnerability. The zero-click prompt injection attack vulnerability received a CVSS severity score of 9.3.

Researchers have found a flaw in Microsoft 365 Copilot that allows the exfiltration of sensitive corporate data with a simple email

AI SPERA announced today that it launched its Criminal IP Malicious Link Detector add-in on the Microsoft Marketplace. Learn more about how this tool provides real-time phishing email detection and URL blocking for Microsoft Outlook. [...]

Outsmart an AI, win a little Christmas cash Microsoft and friends have challenged AI hackers to break a simulated LLM-integrated email client with a prompt injection attack – and the winning teams will share a $10,000 prize pool.…

The trend toward remote working over the last several years has bred all kinds of tools intended to help us improve productivity and facilitate easier, faster digital communications with colleagues. So why does workplace productivity still feel impossible to achieve? Unfortunately, email—one of the most integral vehicles for business communication—is also one of the biggest drains on employee time and energy. According to data from Microsoft, employees spend as much as 8.8 hours each week checking and responding to email. And while many email communications are essential, one recent report found that nearly half of all emails are spam or other unwanted mail.

Affected federal agencies must comb through mails, reset API keys and passwords The US Cybersecurity and Infrastructure Security Agency (CISA) warns that Russian spies who gained access to Microsoft's email system were able to steal sensitive data, including authentication details and that immediate remedial action is required by affected agencies.…

Pen-tester accessed more than 650,000 sensitive messages, and still can, at Indian outfit using Toyota SaaS Toyota Tsusho Insurance Broker India (TTIBI), an Indo-Japanese joint insurance venture, operated a misconfigured server that exposed more than 650,000 Microsoft-hosted email messages to customers, a security researcher has found.…

Microsoft Copilot introduces potential privacy risks as it can have full access to your organization's documents, email, contacts, chats, and calendar. Learn more from Varonis about Microsoft Copilot's security model works and the privacy risks associated with using it. [...]