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Russia-linked Sandworm APT compromised 11 Ukrainian telecommunications providers

Security Affairs

Russia-linked APT group Sandworm has hacked eleven telecommunication service providers in Ukraine between since May 2023. According to public sources, the threat actors targeted ICS of at least 11 Ukrainian telecommunications providers leading to the disruption of their services. ” reads the advisory.

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IT Army of Ukraine disrupted internet providers in territories occupied by Russia

Security Affairs

IT Army of Ukraine hacktivists have temporarily disrupted internet services in some of the territories that have been occupied by Russia. Ukrainian hacktivists belonging to the IT Army of Ukraine group have temporarily disabled internet services in some of the territories that have been occupied by the Russian army.

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China-linked hackers target telecommunication providers in the Middle East

Security Affairs

Researchers reported that China-linked hackers targeted telecommunication providers in the Middle East in the first quarter of 2023. In the first quarter of 2023, SentinelLabs researchers spotted the initial phases of attacks against telecommunication providers in the Middle East. ” reads the report published by SentinelLabs.

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Massive DDoS attack brought down 25% Iranian Internet connectivity

Security Affairs

Iran comes under cyber-attack again, a massive offensive brought down a large portion of the Iranian access to the Internet. Iran infrastructures are under attack, a massive cyberattack brought down a large portion of the Iranian access to the Internet, according to the experts the national connectivity fell to 75%.

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At Least 30,000 U.S. Organizations Newly Hacked Via Holes in Microsoft’s Email Software

Krebs on Security

On March 2, Microsoft released emergency security updates to plug four security holes in Exchange Server versions 2013 through 2019 that hackers were actively using to siphon email communications from Internet-facing systems running Exchange. The web shell gives the attackers administrative access to the victim’s computer servers.

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New hacking group ‘Metador’ lurking in ISP networks for months

Bleeping Computer

A previously unknown threat actor that researchers have named 'Metador' has been breaching telecommunications, internet services providers (ISPs), and universities for about two years. [.].

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Major IPS in New Zealand hit by massive DDoS, Internet outages reported

Security Affairs

A massive DDoS hit New Zealand ‘s third-largest internet operator isolating parts of the country from the Internet. A massive DDoS hit Vocus ISP, New Zealand ‘s third-largest internet operator, isolating parts of the country from the Internet. SecurityAffairs – hacking, DDoS). Pierluigi Paganini.

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