NightEagle APT Exploits Microsoft Exchange Flaw to Target China's Military and Tech Sectors

Cybersecurity researchers have shed light on a previously undocumented threat actor called NightEagle aka APT-Q-95 that has been observed targeting Microsoft Exchange servers as a part of a zero-day exploit chain designed to target government, defense, and technology sectors in China. According t...

Lessons for Cybersecurity from the American Public Health System

The United States needs national institutions and frameworks to systematically collect cybersecurity data, measure outcomes, and coordinate responses across government and private sectors, similar to how public health systems track and address disease outbreaks...

Over 70 Organizations Across Multiple Sectors Targeted by China-Linked Cyber Espionage Group

The reconnaissance activity targeting American cybersecurity company SentinelOne was part of a broader set of partially-related intrusions into several targets between July 2024 and March 2025. "The victimology includes a South Asian government entity, a European media organization, and more than...

New Russia-affiliated actor Void Blizzard targets critical sectors for espionage

Executive summary: Void Blizzard is a new threat actor Microsoft Threat Intelligence has observed conducting espionage operations primarily targeting organizations that are important to Russian government objectives. These include organizations in government, defense, transportation, media, NGOs,...

CVE-2021-26951

An issue was discovered in the calamine crate before 0.17.0 for Rust. It allows attackers to overwrite heap-memory locations because Vec::setlen is used without proper memory claiming, and this uninitialized memory is used for a user-provided Read operation, as demonstrated by Sectors::get...

CVE-2021-1983

Possible buffer overflow due to improper handling of negative data length while processing write request in VR service in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Wearables...

DarkWatchman, Sheriff Malware Hit Russia and Ukraine with Stealth and Nation-Grade Tactics

Russian companies have been targeted as part of a large-scale phishing campaign that's designed to deliver a known malware called DarkWatchman. Targets of the attacks include entities in the media, tourism, finance and insurance, manufacturing, retail, energy, telecom, transport, and biotechnolog...

BPFDoor’s Hidden Controller Used Against Asia, Middle East Targets

A controller linked to BPF backdoor can open a reverse shell, enabling deeper infiltration into compromised networks. Recent attacks have been observed targeting the telecommunications, finance, and retail sectors across South Korea, Hong Kong, Myanmar, Malaysia, and Egypt...

Paper Werewolf Deploys PowerModul Implant in Targeted Cyberattacks on Russian Sectors

The threat actor known as Paper Werewolf has been observed exclusively targeting Russian entities with a new implant called PowerModul. The activity, which took place between July and December 2024, singled out organizations in the mass media, telecommunications, construction, government entities...

CVE-2025-21874

In the Linux kernel, the following vulnerability has been resolved: dm-integrity: Avoid divide by zero in table status in Inline mode In Inline mode, the journal is unused, and journalsectors is zero. Calculating the journal watermark requires dividing by journalsectors, which should be done only...

SUSE CVE-2025-21874

In the Linux kernel, the following vulnerability has been resolved: dm-integrity: Avoid divide by zero in table status in Inline mode In Inline mode, the journal is unused, and journalsectors is zero. Calculating the journal watermark requires dividing by journalsectors, which should be done only...

CVE-2025-21874

CVE-2025-21874 is a Linux kernel vulnerability in dm-integrity, where in Inline mode the journal is unused and journal_sectors can be zero. Calculating the journal watermark divides by journal_sectors, which can trigger an OOPS during a simple dmsetup table query. The issue was observed on some s...

CVE-2025-21874 dm-integrity: Avoid divide by zero in table status in Inline mode

In the Linux kernel, the following vulnerability has been resolved: dm-integrity: Avoid divide by zero in table status in Inline mode In Inline mode, the journal is unused, and journalsectors is zero. Calculating the journal watermark requires dividing by journalsectors, which should be done only...

Silk Typhoon targeting IT supply chain

Executive summary: Microsoft Threat Intelligence identified a shift in tactics by Silk Typhoon, a Chinese espionage group, now targeting common IT solutions like remote management tools and cloud applications to gain initial access. While they haven't been observed directly targeting Microsoft...

SUSE CVE-2022-49553

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: validate BOOT sectorsperclusters When the NTFS BOOT sectorsperclusters field is 0x80, it represents a shift value. Make sure that the shift value is not too large before using it NTFS max cluster size is 2MB. Return...

DEBIAN-CVE-2022-49553

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: validate BOOT sectorsperclusters When the NTFS BOOT sectorsperclusters field is 0x80, it represents a shift value. Make sure that the shift value is not too large before using it NTFS max cluster size is 2MB. Return...

UBUNTU-CVE-2022-49553

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: validate BOOT sectorsperclusters When the NTFS BOOT sectorsperclusters field is 0x80, it represents a shift value. Make sure that the shift value is not too large before using it NTFS max cluster size is 2MB. Return...

CVE-2022-49553 fs/ntfs3: validate BOOT sectors_per_clusters

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: validate BOOT sectorsperclusters When the NTFS BOOT sectorsperclusters field is 0x80, it represents a shift value. Make sure that the shift value is not too large before using it NTFS max cluster size is 2MB. Return...

UBUNTU-CVE-2025-0689

When reading data from disk, the grub's UDF filesystem module utilizes the user controlled data length metadata to allocate its internal buffers. In certain scenarios, while iterating through disk sectors, it assumes the read size from the disk is always smaller than the allocated buffer size whi...

Microsoft Uncovers Sandworm Subgroup's Global Cyber Attacks Spanning 15+ Countries

A subgroup within the infamous Russian state-sponsored hacking group known as Sandworm has been attributed to a multi-year initial access operation dubbed BadPilot that stretched across the globe. "This subgroup has conducted globally diverse compromises of Internet-facing infrastructure to enabl...