TRU Security

Optus, a subsidiary of Singtel with over 10.5 million subscribers and Australia's second-largest mobile operator, has disclosed a security breach. Attackers claim to have obtained the data of 11 million customers, and have demanded $1 million in ransom. A small sample of the stolen data was initially published online.

A previously unknown threat actor named "Metador" has been breaching telecommunication companies, internet services providers (ISPs), and universities across multiple countries in the Middle East and Africa for about two years.

The infamous Hive ransomware gang has been busy lately. Just in the last week, they've claimed responsibility for four new victims.

An ongoing phishing campaign is abusing a feature from LinkedIn called Smart Links in order to bypass some security filters.

The Quantum and BlackCat ransomware gangs are now using the Emotet botnet to deploy their payloads. Emotet was first deployed as a banking trojan in 2014, and has since evolved into a network of compromised computers.

Researchers have identified new cyber-espionage activity focusing on government entities, state-owned aerospace and defense firms, telecom companies, and IT organizations in multiple Asian countries.

A new phishing campaign has seen attackers impersonate Microsoft in order to bait recipients into inadvertently exposing their account credentials. Victims are invited to add a message of condolence on an online memorial board "in memory of Her Majesty Queen Elizabeth II."