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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. Alas, not all users of vulnerable programs and devices install updates promptly.

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Security Affairs newsletter Round 441 by Pierluigi Paganini – INTERNATIONAL EDITION

Security Affairs

Lockbit ransomware gang demanded an 80 million ransom to CDW CISA warns of vulnerabilities and misconfigurations exploited in ransomware attacks Stayin’ Alive campaign targets high-profile Asian government and telecom entities. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press.

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Avoslocker ransomware gang targets US critical infrastructure

Security Affairs

The Federal Bureau of Investigation (FBI) reported that AvosLocker ransomware is being used in attacks targeting US critical infrastructure. The Federal Bureau of Investigation (FBI) published a joint cybersecurity advisory warning of AvosLocker ransomware attacks targeting multiple US critical infrastructure.

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Security Affairs newsletter Round 420 by Pierluigi Paganini – International edition

Security Affairs

X Master Password Dumper (CVE-2023-32784) Malware RapperBot DDoS Botnet Expands into Cryptojacking Newly identified RA Group compromises companies in U.S. X Master Password Dumper (CVE-2023-32784) Malware RapperBot DDoS Botnet Expands into Cryptojacking Newly identified RA Group compromises companies in U.S.

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Security Affairs newsletter Round 419 by Pierluigi Paganini – International edition

Security Affairs

ransom Dragon Breath APT uses double-dip DLL sideloading strategy International Press Cybercrime San Bernardino County pays $1.1-million ransom Dragon Breath APT uses double-dip DLL sideloading strategy International Press Cybercrime San Bernardino County pays $1.1-million

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Security Affairs newsletter Round 341

Security Affairs

Follow me on Twitter: @securityaffairs and Facebook. Pierluigi Paganini. SecurityAffairs – hacking, newsletter). The post Security Affairs newsletter Round 341 appeared first on Security Affairs.

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Reassessing cyberwarfare. Lessons learned in 2022

SecureList

On the very first day of the conflict (February 24, 2022), a massive wave of indiscriminate pseudo-ransomware and wiper attacks hit Ukrainian entities. The volume of wiper and ransomware attacks quickly subsided after the initial wave, but a limited number of notable incidents were still reported.

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