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Ukrainian police arrested Ransomware gang behind attacks on 50 companies

Security Affairs

The group was also carrying out DDoS attacks to paralyze the networks of the victims and force them to pay the ransom. The gang was also providing VPN-like services used by other cybercriminal organizations to carry out malicious activities used to deliver malware to the target organization. Source SSU.

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Reassessing cyberwarfare. Lessons learned in 2022

SecureList

According to the same article, another such attack took place in the late 1990s when the American military attacked a Serbian telecommunications network. Taking sides: professional ransomware groups, hacktivists, and DDoS attacks. On May 10, the European Union attributed those malicious activities to the Russian Federation.

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DDoS attacks in Q1 2021

SecureList

Botnet operators use infected devices to carry out DDoS attacks or mine cryptocurrency. In Q1 2021, cybercriminals also found a host of new tools for amplifying DDoS attacks. RDP servers listening on UDP port 3389 were used to amplify DDoS attacks. That said, a VPN is no panacea if it too is vulnerable to amplification attacks.

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Ransomware world in 2021: who, how and why

SecureList

Botnet owners (botmasters) sell access to the victim machines in bulk as a resource that can be monetized in many ways, such as organizing DDoS attacks, distributing spam or, in the case of ransomware, by piggybacking on this initial infection to get a foothold in a potential target. Access sellers. Part II: The darknet shenanigans.

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Group-IB Hi-Tech Crime Trends 2020/2021 report

Security Affairs

In the report, the company examines key shifts in the cybercrime world internationally between H2 2019 and H1 2020 and gives forecasts for the coming year. The past year — a harrowing period for the world economy — culminated in the spike of cybercrime. Threat actors have also set a new record in DDoS attack power: 2.3

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