IT Information Security

Pierluigi Paganini May 27, 2023
Security Affairs newsletter Round 421 by Pierluigi Paganini – International edition

A new round of the weekly SecurityAffairs newsletter arrived! Every week the best security articles from Security Affairs are free for you in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. Is the BlackByte ransomware gang behind the City of Augusta attack? New Buhti ransomware operation uses […]

Pierluigi Paganini May 27, 2023
Is the BlackByte ransomware gang behind the City of Augusta attack?

The city of Augusta in Georgia, U.S., admitted that the recent IT system outage was caused by a cyber attack. While the City of Augusta revealed that a cyberattack caused the recent IT outage, the BlackByte ransomware gang has claimed responsibility for the attack. The attack took place on May 21, the administrator at the City […]

Pierluigi Paganini May 27, 2023
New Buhti ransomware operation uses rebranded LockBit and Babuk payloads

The recently identified Buhti operation targets organizations worldwide with rebranded LockBit and Babuk ransomware variants. Researchers from Symantec discovered a new ransomware operation called Buhti (aka Blacktail) that is using LockBit and Babuk variants to target Linux and Windows systems worldwide. The ransomware operation hasn’t its own ransomware payload, however, it uses a custom information […]

Pierluigi Paganini May 26, 2023
New PowerExchange Backdoor linked to an Iranian APT group

An alleged Iran-linked APT group targeted an organization linked to the United Arab Emirates (U.A.E.) with the new PowerExchange backdoor. Researchers from the Fortinet FortiGuard Labs observed an attack targeting a government entity in the United Arab Emirates with a new PowerShell-based backdoor dubbed PowerExchange. The experts speculate that the backdoor is likely linked to an […]

Pierluigi Paganini May 26, 2023
Dark Frost Botnet targets the gaming sector with powerful DDoS

Researchers spotted a new botnet dubbed Dark Frost that is used to launch distributed denial-of-service (DDoS) attacks against the gaming industry. Researchers from Akamai discovered a new botnet called Dark Frost that was employed in distributed denial-of-service (DDoS) attacks. The botnet borrows code from several popular bot families, including Mirai, Gafgyt, and Qbot. The Dark Frost botnet was […]

Pierluigi Paganini May 26, 2023
New CosmicEnergy ICS malware threatens energy grid assets

Experts detailed a new piece of malware, named CosmicEnergy, that is linked to Russia and targets industrial control systems (ICS).  Researchers from Mandiant discovered a new malware, named CosmicEnergy, designed to target operational technology (OT) / industrial control system (ICS) systems. The malicious code was first uploaded to a public malware scanning service in December 2021 by […]

Pierluigi Paganini May 25, 2023
D-Link fixes two critical flaws in D-View 8 network management suite

D-Link fixed two critical flaws in its D-View 8 network management suite that could lead to authentication bypass and arbitrary code execution. D-Link has addressed two critical vulnerabilities (CVSS score: 9.8) in its D-View 8 network management suite that could be exploited by remote attackers to bypass authentication and execute arbitrary code. The D-View network […]

Pierluigi Paganini May 25, 2023
Zyxel firewall and VPN devices affected by critical flaws

Zyxel fixed two critical flaws in multiple firewall and VPN products that can lead to remote code execution or cause a DoS condition. Zyxel addressed two critical buffer overflow vulnerabilities, tracked as CVE-2023-33009 and CVE-2023-33010, that affect several of its firewall and VPN products. A remote, unauthenticated attacker can can trigger the flaws to cause a denial-of-service (DoS) […]

Pierluigi Paganini May 25, 2023
China-linked APT Volt Typhoon targets critical infrastructure organizations

A China-linked APT group, tracked as Volt Typhoon, breached critical infrastructure organizations in the U.S. and Guam without being detected. China-linked APT cyber espionage group Volt Typhoon infiltrated critical infrastructure organizations in the U.S. and Guam without being detected. The group managed to maintain access without being detected for as long as possible. According to […]

Pierluigi Paganini May 25, 2023
North Korea-linked Lazarus APT targets Microsoft IIS servers to deploy malware

North Korea-linked APT group Lazarus actor has been targeting vulnerable Microsoft IIS servers to deploy malware. AhnLab Security Emergency response Center (ASEC) researchers reported that the Lazarus APT Group is targeting vulnerable versions of Microsoft IIS servers in a recent wave of malware-based attacks. Once discovered a vulnerable ISS server, the attackers leverage the DLL side-loading […]