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176 result(s) for "Microsoft 365" — best match first.

Latest headlines from security outlets

Collected every two hours from specialised publications — each link leads to the original article.

The Hacker News
The Hacker News Breaches & leaks
HollowGraph Malware Hides C2 and Stolen Files in Microsoft 365 Events Dated 2050

A newly discovered espionage implant has been using a hijacked Microsoft 365 calendar as its command channel, planting operator instructions and smuggling out …

Microsoft 365

The Hacker News
The Hacker News Breaches & leaks
Zero-Click AI Vulnerability Exposes Microsoft 365 Copilot Data Without User Interaction

A novel attack technique named EchoLeak has been characterized as a "zero-click" artificial intelligence (AI) vulnerability that allows bad actors to exfiltrat…

Microsoft 365

The Hacker News
The Hacker News Breaches & leaks
ToddyCat’s New Hacking Tools Steal Outlook Emails and Microsoft 365 Access Tokens

The threat actor known as ToddyCat has been observed adopting new methods to obtain access to corporate email data belonging to target companies, including usi…

Microsoft 365

The Hacker News
The Hacker News Breaches & leaks
Microsoft Warns of Unpatched Office Vulnerability Leading to Data Breaches

Microsoft has disclosed an unpatched zero-day in Office that, if successfully exploited, could result in unauthorized disclosure of sensitive information to ma…

The Hacker News
The Hacker News Breaches & leaks
Microsoft Defender Thwarts Large-Scale Akira Ransomware Attack

Microsoft on Wednesday said that a user containment feature in Microsoft Defender for Endpoint helped thwart a "large-scale remote encryption attempt" made byA…

Latest Hacking News
Latest Hacking News Breaches & leaks
Microsoft Disclose a Security Breach Affecting One of Their Own Customer Support Databases

While security breaches are common, the latest report relates to the tech giant Microsoft. Reportedly, Microsoft has disclosed a securityMicrosoft Disclose a S…

The Hacker News
The Hacker News Breaches & leaks
UNC6692 Impersonates IT Helpdesk via Microsoft Teams to Deploy SNOW Malware

A previously undocumented threat activity cluster known as UNC6692 has been observed leveraging social engineering tactics via Microsoft Teams to deploy a cust…

The Hacker News
The Hacker News Breaches & leaks
UNC6692 Impersonates IT Help Desk via Microsoft Teams to Deploy SNOW Malware

A previously undocumented threat activity cluster known as UNC6692 has been observed leveraging social engineering tactics via Microsoft Teams to deploy a cust…

The Hacker News
The Hacker News Breaches & leaks
Researchers Reveal Reprompt Attack Allowing Single-Click Data Exfiltration From Microsoft Copilot

Cybersecurity researchers have disclosed details of a new attack method dubbed Reprompt that could allow bad actors to exfiltrate sensitive data from artificia…

The Hacker News
The Hacker News Breaches & leaks
Microsoft Revokes 200 Fraudulent Certificates Used in Rhysida Ransomware Campaign

Microsoft on Thursday disclosed that it revoked more than 200 certificates used by a threat actor it tracks as Vanilla Tempest to fraudulently sign malicious b…

The Hacker News
The Hacker News Breaches & leaks
Senator Wyden Urges FTC to Probe Microsoft for Ransomware-Linked Cybersecurity Negligence

U.S. Senator Ron Wyden has called on the Federal Trade Commission (FTC) to probe Microsoft and hold it responsible for what he called "gross cybersecurity negl…

The Hacker News
The Hacker News Breaches & leaks
Microsoft Windows Vulnerability Exploited to Deploy PipeMagic RansomExx Malware

Cybersecurity researchers have lifted the lid on the threat actors' exploitation of a now-patched security flaw in Microsoft Windows to deploy the PipeMagic ma…

Windows

The Hacker News
The Hacker News Breaches & leaks
VEILDrive Attack Exploits Microsoft Services to Evade Detection and Distribute Malware

An ongoing threat campaign dubbed VEILDrive has been observed taking advantage of legitimate services from Microsoft, including Teams, SharePoint, Quick Assist…

Microsoft 365

The Hacker News
The Hacker News Breaches & leaks
DarkGate Malware Exploits Recently Patched Microsoft Flaw in Zero-Day Attack

A DarkGate malware campaign observed in mid-January 2024 leveraged a recently patched security flaw in Microsoft Windows as a zero-day using bogus software ins…

Windows

The Hacker News
The Hacker News Breaches & leaks
DarkGate Malware Exploited Recently Patched Microsoft Flaw in Zero-Day Attack

A DarkGate malware campaign observed in mid-January 2024 leveraged a recently patched security flaw in Microsoft Windows as a zero-day using bogus software ins…

Windows

The Hacker News
The Hacker News Breaches & leaks
Microsoft Disables MSIX App Installer Protocol Widely Used in Malware Attacks

Microsoft on Thursday said it’s once again disabling the ms-appinstaller protocol handler by default following its abuse by multiple threat actors to distribut…

The Hacker News
The Hacker News Breaches & leaks
Microsoft Warns of Malvertising Scheme Spreading CACTUS Ransomware

Microsoft has warned of a new wave of CACTUS ransomware attacks that leverage malvertising lures to deploy DanaBot as an initial access vector.The DanaBot infe…

The Hacker News
The Hacker News Breaches & leaks
Hackers Abused Microsoft's "Verified Publisher" OAuth Apps to Hack Corporate Email Accounts

Microsoft on Tuesday said it took steps to disable fake Microsoft Partner Network (MPN) accounts that were used for creating maliciousOAuthapplications as part…

The Hacker News
The Hacker News Breaches & leaks
Microsoft Finds FoxBlade Malware Hit Ukraine Hours Before Russian Invasion

UPDATE: It's worth noting that the malware Microsoft tracks as FoxBlade is the same as the data wiper that's been denominated HermeticWiper (aka KillDisk).Micr…

Latest Hacking News
Latest Hacking News Breaches & leaks
Misconfigurations in Microsoft Power Apps Leaked Millions Of Records From Multiple Firms

Due to privacy blunders in Microsoft Power Apps, many firms from different sectors leaked data…Misconfigurations in Microsoft Power Apps Leaked Millions Of Rec…

The Hacker News
The Hacker News Breaches & leaks
Microsoft Warns of Data Stealing Malware That Pretends to Be Ransomware

Microsoft on Thursday warned of a "massive email campaign" that's pushing a Java-based STRRAT malware to steal confidential data from infected systems while di…

Latest Hacking News
Latest Hacking News Breaches & leaks
Microsoft Leaked Bing Data Online Through An Unsecured Server

While data leak incidents via exposed servers aren't uncommon, this time, the ignorant firm is a tech giant. Reportedly, MicrosoftMicrosoft Leaked Bing Data On…

Latest Hacking News
Latest Hacking News Breaches & leaks
Microsoft Warns Of PonyFinal Ransomware Attacks Active In The Wild

Microsoft alerted all its users to stay vigilant with regard to PonyFinal ransomware attacks. Since the ransomware attacks are activeMicrosoft Warns Of PonyFin…

The Hacker News
The Hacker News Breaches & leaks
Improper Microsoft Patch for Reverse RDP Attacks Leaves 3rd-Party RDP Clients Vulnerable

Remember the Reverse RDP Attack'wherein a client system vulnerable to a path traversal vulnerability could get compromised when remotely accessing a server ove…