Search Articles — Sudonull

https://sudonull.com/ransomware-attackers-hide-attacks-via-qemu-how-to-protect-yourself

Groups Payouts King and others use QEMU virtual machines to bypass antivirus. Learn how attacks work and how to protect infrastructure.

https://sudonull.com/drive-detects-ransomware-scanning-and-recovery

Google Drive for PC scans files for ransomware, pauses sync and restores bulk. For IT pros: function details, availability, versions. Update the client and protect your data.

https://sudonull.com/airgap-in-tape-libraries-against-ransomware

Learn how hardware air gap in LTO libraries protects backups from ransomware. Principle of operation, advantages, implementation for IT specialists. Reduce recovery risks.

https://sudonull.com/malicious-advertising-of-it-utilities-smokedham-and-qilin-attack

Learn how hackers distribute the SmokedHam backdoor and Qilin ransomware through malicious ads in search engines. Protection methods and analysis of the UNC2465 campaign.

https://sudonull.com/hackers-disguise-os-as-files-new-tactic-to-bypass-antivirus

Cybercriminals use QEMU to run hidden virtual machines, disguising them as ordinary files. Learn how to protect against attacks using virtualization.

https://ymaho.com/grafana-refused-to-pay-hackers-a-cybersecurity-lesson

How Grafana Labs refused the Coinbase Cartel extortionists after a code leak and turned the hack into a security masterclass. Learn the attack details and protect your repositories.

Ransomware - Wikipedia

https://en.wikipedia.org/wiki/Ransomware

Ransomware attacks are typically carried out using a Trojan disguised as a legitimate file that the user is tricked into downloading or opening when it arrives as an email attachment. However, one high …

Ransomware — FBI

https://www.fbi.gov/how-we-can-help-you/scams-and-safety/common-frauds-and-scams/ransomware

Ransomware is a type of malicious software, or malware, that prevents you from accessing your computer files, systems, or networks and demands you pay a ransom for their return.

Ransomware Explained: How It Works And How To Prevent It

https://www.geeksforgeeks.org/computer-networks/ransomware-explained-how-it-works-and-how-to-prevent-it/

Sep 25, 2025 · Ransomware is a form of malicious software that prevents computer users from accessing their data by encrypting it. Cybercriminals use it to ransom money from individuals or …

What is Ransomware? | Ransomware protection

https://www.malwarebytes.com/ransomware

Ransomware is a form of malware that locks the user out of their files or their device, then demands a payment to restore access. Ransomware attackers hit businesses, organizations, and individuals alike.

What is ransomware? - IBM

https://www.ibm.com/think/topics/ransomware

Ransomware is a type of malware that holds data and devices hostage until a ransom is paid.

What you need to know about ransomware & how to respond

https://www.ncsc.gov.uk/ransomware/home

Ransomware is a type of malware which prevents you from accessing your device and the data stored on it, usually by encrypting your files. A criminal group will then demand a ransom in exchange...

Ransomware's Fragmentation Reaches a Breaking Point While LockBit …

https://thehackernews.com/2025/11/ransomwares-fragmentation-reaches.html

Nov 14, 2025 · 14 new ransomware brands launched this quarter, proving how quickly affiliates reconstitute after takedowns. LockBit’s reappearance with version 5.0 signals potential re …

WannaCry ransomware attack - Wikipedia

https://en.wikipedia.org/wiki/WannaCry_ransomware_attack

WannaCry ransomware attack ... The WannaCry ransomware attack was a worldwide cyberattack in May 2017 by the WannaCry ransomware cryptoworm, which targeted computers running the …

What Is Ransomware? | Microsoft Security

https://www.microsoft.com/en-us/security/business/security-101/what-is-ransomware?msockid=32b4ebbcd6576b813e98fc2dd75d6a13

2 days ago · In human-operated ransomware, a group of attackers use their collective intelligence to gain access to enterprise networks. The two main types of ransomware are crypto ransomware, …

What Is Ransomware? How to Prevent Ransomware Attacks? | Fortinet

https://www.fortinet.com/resources/cyberglossary/ransomware

Ransomware is a specific type of malware that holds data hostage in exchange for a ransom. Learn how it works and ways to prevent ransomware attacks.