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China-linked LightBasin group accessed calling records from telcos worldwide

Security Affairs

A China-linked hacking group, tracked as LightBasin (aka UNC1945 ), hacked mobile telephone networks around the globe and used specialized tools to access calling records and text messages from telecommunications companies. CrowdStrike researchers reported that at least 13 telecommunication companies were compromised by since 2019.

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What is a Managed Security Service Provider? MSSPs Explained

eSecurity Planet

Expanding attack surfaces require additional skills to secure, maintain, and monitor an ever-expanding environment of assets such as mobile, cloud, and the internet of things (IoT). Telecommunications MSSPs such as Verizon satisfy these needs and provide the financial security of a large corporate partner for equally large customers.

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What are Common Types of Social Engineering Attacks?

eSecurity Planet

Vishing attacks are also similar to phishing and smishing, but these attacks target VoIP and telecommunications services rather than text-based mediums. Usually this is accomplished either by deploying malware that changes the target computer’s host files, or by using a technique known as DNS cache poisoning.

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How to Stop DDoS Attacks: Prevention & Response

eSecurity Planet

These events can occur accidentally and even within a corporate network; however, intentional attacks on internet-facing resources are far more common. Also read: How to Secure DNS. Firewalls may allow these packets through and cause server CPUs to become overwhelmed due to resources wasted analyzing and discarding these packets.

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DDoS attacks in Q4 2020

SecureList

The DTLS (Datagram Transport Layer Security) protocol is used to establish secure connections over UDP, through which most DNS queries, as well as audio and video traffic, are sent. In October, telecommunications firm Telenor Norway was another to fall victim. Extortionists’ activity regularly made the news throughout 2020.

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