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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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Can We Stop Pretending SMS Is Secure Now?

Krebs on Security

Lucky225 showed how anyone could do the same after creating an account at a service called Sakari , a company that helps celebrities and businesses do SMS marketing and mass messaging. From there, the attacker can reset the password of any account which uses that phone number for password reset links. .”

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AT&T confirmed that a data breach impacted 73 million customers

Security Affairs

In August 2021, the group asked $1 million for the entire database, or $200,000 for access, according to the RestorePrivacy website that examined a sample that appears authentic. million current AT&T account holders and approximately 65.4 million former account holders.” reads the RestorePrivacy website.

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AT&T states that the data breach impacted 51 million former and current customers

Security Affairs

In August 2021, the group asked $1 million for the entire database, or $200,000 for access, according to the RestorePrivacy website that examined a sample that appears authentic. While we cannot yet confirm the data is from AT&T customers, everything we examined appears to be valid.” reads the RestorePrivacy website.

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China-linked threat actors have breached telcos and network service providers

Security Affairs

China-linked threat actors have breached telecommunications companies and network service providers to spy on the traffic and steal data. US NSA, CISA, and the FBI published a joint cybersecurity advisory to warn that China-linked threat actors have breached telecommunications companies and network service providers.

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Sprint Exposed Customer Support Site to Web

Krebs on Security

leaked internal customer support data to the Internet, mobile provider Sprint has addressed a mix-up in which posts to a private customer support community were exposed to the Web. telecommunications companies to gain access to internal company tools. Fresh on the heels of a disclosure that Microsoft Corp.

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Why & Where You Should You Plant Your Flag

Krebs on Security

Several stories here have highlighted the importance of creating accounts online tied to your various identity, financial and communications services before identity thieves do it for you. ” In short, although you may not be required to create online accounts to manage your affairs at your ISP, the U.S. .”