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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. The Russia-linked APT group Sandworm (UAC-0165) has compromised eleven telecommunication service providers in Ukraine between May and September 2023, reported the Ukraine’s Computer Emergency Response Team (CERT-UA).

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Social media partially disrupted in Cuba amid anti-government protests

Security Affairs

. / AS27725) including Cubacel, the cellular network operated by Cuba’s sole telecommunications company.” VPN services have yet to be blocked in the country, allowing citizens to bypass internet censorship. NetBlocks reported that similar partial disruption was observed last year during the San Isidro protests in Havana.

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The War in Technology: A Digital Iron Curtain Goes Up

SecureWorld News

Many threats that have until now been theoretical—like creation of a "Ru-net" as an alternative to the Internet—are becoming a reality. Cutting off Internet access to a country the size of Texas is not as simple as cutting a few cables or bombing a few cell towers. There are many tech angles to the war in Ukraine.

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Argentinian ISP Hit with $7.5 Million Ransomware Attack

SecureWorld News

Over the weekend, ransomware gang REvil took control of an internet service provider (ISP), infecting the internal network. While internet connections are still running for the ISP's customers, many of the official websites are down. It's considered one of Argentina's largest cyber attacks.

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Voice Phishers Targeting Corporate VPNs

Krebs on Security

But one increasingly brazen group of crooks is taking your standard phishing attack to the next level, marketing a voice phishing service that uses a combination of one-on-one phone calls and custom phishing sites to steal VPN credentials from employees. The employee phishing page bofaticket[.]com. Image: urlscan.io. ” SPEAR VISHING.

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The Russian Government blocked ProtonMail and ProtonVPN

Security Affairs

The p opular ProtonMail end-to-end encrypted email service and ProtonVPN VPN service have been blocked by the Russian government this week. This week the Russian government has blocked the ProtonMail end-to-end encrypted email service and ProtonVPN VPN service. ” continues the Russian Watchdog.

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China-linked Alloy Taurus APT uses a Linux variant of PingPull malware

Security Affairs

The Chinese APT is known to be focused on telecommunications companies operating across Asia, Europe and Africa. PingPull, was first spotted by Unit 42 in June 2022, the researchers defined the RAT as a “difficult-to-detect” backdoor that leverages the Internet Control Message Protocol (ICMP) for C2 communications.

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