Cybersecurity veteran Amit Yoran says Microsoft has a culture of toxic obfuscation when it comes to addressing security threats.

Last week, Senator Ron Wyden sent a letter to the Cybersecurity and Infrastructure Security Agency (CISA), the Department of Justice and the Federal Trade Commission (FTC) asking that they hold Microsoft accountable for a repeated pattern of negligent cybersecurity practices, which has enabled Chine

Russian state-sponsored hackers posed as technical support staff on Microsoft Teams to compromise dozens of global organizations, including government agencies.

Cloud cryptojacking, a type of cyberattack that uses computing power to mine cryptocurrency, could result in financial loss to targeted organizations due to the compute fees that can be incurred from the abuse.

Microsoft has announced changes to a system that was exploited by Chinese hackers over the last month that allowed them to access email accounts and spy on the inner workings of two dozen organizations, including government agencies, a lawmaker’s staff and even Commerce Secretary Gina Raimondo.

China-based hackers have breached email accounts at two-dozen organizations, including some United States government agencies, in an apparent spying campaign aimed at acquiring sensitive information, according to statements from Microsoft and the White House late Tuesday.

Microsoft Corp. today released software updates to quash 130 security bugs in its Windows operating systems and related software, including at least five flaws that are already seeing active exploitation. Meanwhile, Apple customers have their own zero-day woes again this…

The Microsoft Windows Hardware Compatibility Program (WHCP) certifies that drivers, and other products, run reliably on Windows and on Windows certified hardware. First reported by Sophos, and later Trend Micro and Cisco, Microsoft has investigated and confirmed a list of third-party WHCP-certified drivers used in cyber threat campaigns. Because of the drivers’ intent and functionality, Microsoft has added them to the Windows Driver.STL revocation list.

Microsoft has identified a phishing campaign conducted by the threat actor tracked as Storm-0978 targeting defense and government entities in Europe and North America. The campaign involved the abuse of CVE-2023-36884, which included a zero-day remote code execution vulnerability exploited via Microsoft Word documents.

In a recent investigation by Microsoft Incident Response of a BlackByte 2.0 ransomware attack, we found that the threat actor progressed through the full attack chain, from initial access to impact, in less than five days, causing significant business disruption for the victim organization.

Security researchers have found a bug that could allow attackers to deliver malware directly into employees' Microsoft Teams inbox.

Microsoft says the early June disruptions to its Microsoft’s flagship office suite — including the Outlook email apps — were denial-of-service attacks by a shadowy new hacktivist group. In a blog post published Friday evening after The Associated Press sought clarification on the sporadic but serious outages, Microsoft confirmed that that they were DDoS attacks by a group calling itself Anonymous Sudan, which some security researchers believe is Russia-affiliated. The software giant offered few details on the attack. It did not comment on how many customers were affected.

Over the past few days, we have seen phishing attacks that use a combination of compromised Microsoft 365 accounts and .rpmsg encrypted emails to deliver the phishing message.

Microsoft attributes several campaigns to a distinct Russian state-sponsored threat actor tracked as Cadet Blizzard (DEV-0586), including the WhisperGate destructive attack, Ukrainian website defacements, and the hack-and-leak front “Free Civilian”.

A new vulnerability, which we refer to as “Migraine” for its involvement with macOS migration, could allow an attacker with root access to automatically bypass System Integrity Protection (SIP) in macOS and perform arbitrary operations on a device

Chinese state-sponsored actor Volt Typhoon is using stealthy techniques to target US critical infrastructure, conduct espionage, and dwell in compromised environments.

Microsoft addresses 97 CVEs, including one that was exploited in the wild as a zero day

Microsoft analyzes a threat group tracked as DEV-0196, the actor’s iOS malware “KingsPawn”, and their link to an Israel-based private sector offensive actor (PSOA) known as QuaDream, which reportedly sells a suite of exploits, malware, and infrastructure called REIGN, that’s designed to exfiltrate data from mobile devices.

Microsoft detected a unique operation where threat actors carried out destructive actions in both on-premises and cloud environments.

Microsoft’s Digital Crimes Unit (DCU), cybersecurity software company Fortra™ and Health Information Sharing and Analysis Center (Health-ISAC) are taking technical and legal action to disrupt cracked, legacy copies of Cobalt Strike and abused Microsoft software, which have been used by cybercriminals to distribute malware, including ransomware. This is a change in the way DCU has...