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FBI and CISA published a new advisory on AvosLocker ransomware

Security Affairs

FBI and CISA published a joint Cybersecurity Advisory (CSA) to disseminate IOCs, TTPs, and detection methods associated with AvosLocker ransomware. The joint Cybersecurity Advisory (CSA) is part of an ongoing #StopRansomware effort aimed at sharing technical details associated with various ransomware operations.

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US govt agencies share details of the China-linked espionage malware Taidoor

Security Affairs

China-linked hackers carried out cyber espionage campaigns targeting governments, corporations, and think tanks with TAIDOOR malware. “CISA encourages users and administrators to review Malware Analysis Report MAR-10292089-1.v1 “CISA encourages users and administrators to review Malware Analysis Report MAR-10292089-1.v1

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Hackers are targeting Soliton FileZen file-sharing servers

Security Affairs

Threat actors are exploiting two flaws in the popular file-sharing server FileZen to steal sensitive data from businesses and government organizations. The vendor recommended changing system administrator account, reset access control, and installing the latest available version.

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China-linked APT BlackTech was spotted hiding in Cisco router firmware

Security Affairs

US and Japanese intelligence, law enforcement and cybersecurity agencies warn of a China-linked APT, tracked as BlackTech (aka Palmerworm, Temp.Overboard, Circuit Panda, and Radio Panda), that planted backdoor in Cisco router firmware to access multinational companies’ networks. Federal Bureau of Investigation (FBI), the U.S.

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Russia-linked APT28 uses fake Windows Update instructions to target Ukraine govt bodies

Security Affairs

CERT-UA warns of a spear-phishing campaign conducted by APT28 group targeting Ukrainian government bodies with fake ‘Windows Update’ guides. Russia-linked APT28 group is targeting Ukrainian government bodies with fake ‘Windows Update’ guides, Computer Emergency Response Team of Ukraine (CERT-UA) warns.

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Hacker breaches key Russian ministry in blink of an eye

Security Affairs

In mere seconds, a hacker remotely accessed a computer belonging to a regional Russian Ministry of Health, taking advantage of sloppy cybersecurity practices to expose its entire network. Spielerkid89, who wished to remain anonymous, did not intend to harm the organization and left its systems intact. Original post at [link].

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City of Dallas has set a budget of $8.5 million to mitigate the May Royal ransomware attack

Security Affairs

The City experts believe that the group specifically targeted a prioritized list of servers using legitimate Microsoft system administrative tools. The City immediately initiated mitigation efforts after the discovery of the attack and it started restoring its services with the help of external cybersecurity experts.