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Malware & Threats

Malware analysis, threat intelligence, and emerging cyber threats

Microsoft says Outlook.com outage is causing sign‑in failures

Microsoft is investigating an ongoing Outlook.com outage that is causing intermittent signing issues and preventing customers from accessing their mailboxes.

BleepingComputerApr 27, 20262m2

American utility firm Itron discloses breach of internal IT network

BleepingComputer

Malware & Threats

American utility firm Itron discloses breach of internal IT network

Itron, Inc. has disclosed, via an 8-K filing with the U.S. Securities and Exchange Commission (SEC), a cybersecurity incident in which an unauthorized third party accessed certain internal systems.

BleepingComputerApr 26, 20262m2

Microsoft rolls out revamped Windows Insider Program

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Malware & Threats

Microsoft rolls out revamped Windows Insider Program

Microsoft says it's rolling out a revamped Windows Insider Program experience as part of the broader plans to address performance and reliability concerns affecting Windows 11.

BleepingComputerApr 25, 20264m3

Threat actor uses Microsoft Teams to deploy new “Snow” malware

BleepingComputer

Malware & Threats

Threat actor uses Microsoft Teams to deploy new “Snow” malware

A threat group tracked as UNC6692 uses social engineering to deploy a new "Snow" malware set that includes a browser extension, a tunneler, and a backdoor.

BleepingComputerApr 25, 20263m3

ADT confirms data breach after ShinyHunters leak threat

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Malware & Threats

ADT confirms data breach after ShinyHunters leak threat

Home security giant ADT has confirmed a data breach after the ShinyHunters extortion group threatened to leak stolen data unless a ransom is paid.

BleepingComputerApr 24, 20263m3

Firestarter malware survives Cisco firewall updates, security patches

BleepingComputer

Malware & Threats

Firestarter malware survives Cisco firewall updates, security patches

Cybersecurity agencies in the U.S. and U.K. are warning about a custom malware called Firestarter persisting on Cisco Firepower and Secure Firewall devices running Adaptive Security Appliance (ASA) or Firepower Threat Defense (FTD) software.

BleepingComputerApr 24, 20264m3

Windows Update gets new controls to reduce forced restarts

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Malware & Threats

Windows Update gets new controls to reduce forced restarts

Microsoft is rolling out Windows Update improvements that give users more control over how updates are installed while reducing disruption from frequent or poorly timed restarts.

BleepingComputerApr 24, 20263m7

New BlackFile extortion group linked to surge of vishing attacks

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Malware & Threats

New BlackFile extortion group linked to surge of vishing attacks

A new financially motivated hacking group tracked as BlackFile has been linked to a wave of data theft and extortion attacks against retail and hospitality organizations since February 2026.

BleepingComputerApr 24, 20263m3

Microsoft to roll out Entra passkeys on Windows in late April

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Malware & Threats

Microsoft to roll out Entra passkeys on Windows in late April

Microsoft will roll out passkey support for phishing-resistant passwordless authentication to Microsoft Entra‑protected resources from Windows devices starting late April.

BleepingComputerApr 24, 20263m3

New ‘Pack2TheRoot’ flaw gives hackers root Linux access

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Malware & Threats

New ‘Pack2TheRoot’ flaw gives hackers root Linux access

A new vulnerability dubbed Pack2TheRoot could be exploited in the PackageKit daemon to allow local Linux users to install or remove system packages and gain root permissions.

BleepingComputerApr 24, 20263m3

DORA and operational resilience: Credential management as a financial risk control

BleepingComputer

Malware & Threats

DORA and operational resilience: Credential management as a financial risk control

Article 9 of DORA makes authentication and access control a legal obligation for EU financial entities. Here is what the regulation requires, and what a breach looks like when those controls are missing.

BleepingComputerApr 24, 20269m2

Over 10,000 Zimbra servers vulnerable to ongoing XSS attacks

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Malware & Threats

Over 10,000 Zimbra servers vulnerable to ongoing XSS attacks

Over 10,000 Zimbra Collaboration Suite (ZCS) instances exposed online are vulnerable to ongoing attacks exploiting a cross-site scripting (XSS) security flaw.

BleepingComputerApr 24, 20263m2