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79 result(s) for "Outlook" — best match first.

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The security stories that matter, explained by our team — with the concrete steps to take.

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

Outlook Hack: Microsoft Reveals How a Crash Dump Led to a Major Security Breach

Microsoft on Wednesday revealed that a China-based threat actor known asStorm-0558acquired the inactive consumer signing key to forge tokens and access Outlook…

Microsoft 365

The Hacker News
The Hacker News

Azure AD Token Forging Technique in Microsoft Attack Extends Beyond Outlook, Wiz Reports

The recent attack againstMicrosoft's email infrastructureby a Chinese nation-state actor referred to as Storm-0558 is said to have a broader scope than previou…

Microsoft 365 Azure

The Hacker News
The Hacker News

Microsoft Blames Massive DDoS Attack for Azure, Outlook, and OneDrive Disruptions

Microsoft on Friday attributed a string of service outages aimed at Azure, Outlook, and OneDrive earlier this month to an uncategorized cluster it tracks under…

Microsoft 365 Azure

The Hacker News
The Hacker News Breaches & leaks

Microsoft Warns of Stealthy Outlook Vulnerability Exploited by Russian Hackers

Microsoft on Friday shared guidance to help customers discover indicators of compromise (IoCs) associated with a recently patched Outlook vulnerability.Tracked…

Microsoft 365

Latest Hacking News
Latest Hacking News Vulnerabilities

New Exploit Emerges For A Previously Patched SharePoint Vulnerability

Months after Microsoft patched a remote code execution vulnerability in SharePoint, a new way to…New Exploit Emerges For A Previously Patched SharePoint Vulner…

Microsoft 365

Latest Hacking News
Latest Hacking News

Azurite - An Azure AD Enumeration Tool

What is Azurite? This one’s a doozy folks. With the rapid growth of cloud infrastructure…Azurite - An Azure AD Enumeration Tool on Latest Hacking News

Microsoft 365 Azure

Latest Hacking News
Latest Hacking News

MSOffice 365 Phishing Campaign Uses CAPTCHAs To Evade Security Checks

One more phishing campaign is in the wild targeting users with evasive techniques. As observed, the new phishing campaign aimingMSOffice 365 Phishing Campaign …

Microsoft 365

Latest Hacking News
Latest Hacking News Vulnerabilities

Spoofing Vulnerability Found In Microsoft Outlook For Android

Microsoft recently disclosed a vulnerability in Outlook for Android that risked millions of devices. Exploiting the bug could permit cross-siteSpoofing Vulnera…

Microsoft 365 Android

The Hacker News
The Hacker News Vulnerabilities

Microsoft Issues Patches for SharePoint Zero-Day and 168 Other New Vulnerabilities

Microsoft on Tuesday released updates to address a record 169 security flaws across its product portfolio, including one vulnerability that has been actively e…

Microsoft 365

The Hacker News
The Hacker News Vulnerabilities

Weekly Recap: Outlook Add-Ins Hijack, 0-Day Patches, Wormable Botnet & AI Malware

This week’s recap shows how small gaps are turning into big entry points. Not always through new exploits, often through tools, add-ons, cloud setups, or workf…

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

Storm-0501 Exploits Entra ID to Exfiltrate and Delete Azure Data in Hybrid Cloud Attacks

The financially motivated threat actor known as Storm-0501 has been observed refining its tactics to conduct data exfiltration and extortion attacks targeting …

Microsoft 365 Azure

The Hacker News
The Hacker News Vulnerabilities

⚡ Weekly Recap: Airline Hacks, Citrix 0-Day, Outlook Malware, Banking Trojans and more

Ever wonder what happens when attackers don’t break the rules—they just follow them better than we do? When systems work exactly as they’re built to, but that …

Microsoft 365 Citrix

The Hacker News
The Hacker News Vulnerabilities

Microsoft Outlook Flaw Exploited by Russia's APT28 to Hack Czech, German Entities

Czechia and Germany on Friday revealed that they were the target of a long-term cyber espionage campaign conducted by the Russia-linked nation-state actor know…

Microsoft 365

The Hacker News
The Hacker News Vulnerabilities

Microsoft Fixes New Azure AD Vulnerability Impacting Bing Search and Major Apps

Microsoft has patched a misconfiguration issue impacting the Azure Active Directory (AAD) identity and access management service that exposed several "high-imp…

Microsoft 365 Azure

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Breaches & leaks

OpenSSF Outlook Q1 2023: How To Avoid the Next Log4Shell and Other OSS Security Reflections

''Log4j has been around for 20 years; it's become embedded into nearly every meaningful Java application; and the Log4Shell event led to compromises in everyth…

Microsoft 365

The Hacker News
The Hacker News

Outlook for Web Bans 38 More File Extensions in Email Attachments

Malware or computer virus can infect your computer in several different ways, but one of the most common methods of its delivery is through malicious file atta…

Microsoft 365

BleepingComputer
BleepingComputer

Microsoft fixes Exchange sign-ins broken by Windows Server updates

Microsoft has fixed Outlook sign-in and mail delivery issues on Exchange Server systems after installing the October 2026 Windows Server security updates.…

Windows Microsoft 365 Exchange

The Record
The Record Vulnerabilities

Microsoft’s Patch Tuesday surpasses 1,000 bugs for second month in a row

An exploited Outlook vulnerability drew most of the attention in Microsoft's latest Patch Tuesday, which listed 1,093 bugs total.

Microsoft 365

The Hacker News
The Hacker News Breaches & leaks

New VOLTA Infostealer Uses Claude, Gemini, and Kimi AI to Rank Victims by Financial Value

Cybersecurity researchers have discovered a new Windows infostealer malware called VOLTA-AUTODOXER (aka VOLTA) that makes use of a large language model (LLM) t…

Windows Microsoft 365 Chrome

BleepingComputer
BleepingComputer Breaches & leaks

The Huntress Tragic Quadrant: Ranking Threats Hitting Businesses Hardest

Attackers are increasingly abusing legitimate IT tools, Microsoft 365 sessions, and everyday workflows to compromise businesses without triggering traditional …

Microsoft 365

The Hacker News
The Hacker News Vulnerabilities

Microsoft Patches Record 1,413 Flaws, Including Exploited Windows Shell Bug

Microsoft on Tuesday shattered its own Patch Tuesday record by shipping patches for a whopping 1,413 vulnerabilities, including one that it said has come under…

Windows Microsoft 365

Latest Hacking News | Cyber Security News, Hacking Tools and Penetration Testing Courses
Latest Hacking News | Cyber Security News, Hacking Tools and Penetration Testing Courses

Device Code Phishing Is How Midnight Blizzard Beat MFA on Hotel Wi-Fi

A Storm-2945 campaign layers device code phishing onto hijacked hotel Wi-Fi to bypass MFA on Microsoft 365 accounts. Here's how it works and how to shut it off…

Microsoft 365

The Hacker News
The Hacker News

New Ghost Phishing Wave Is Breaking Traditional Email Security

A recent EvilTokens campaign targeting businesses across the US and Europe is exposing a new email security blind spot. This “ghost phishing” technique keeps t…

Microsoft 365