ATA stands for Microsoft Advanced Threat Analytics, an on-premise network parsing engine and traffic analysis system that Microsoft sells to enterprises in order to protect internal networks from malicious attacks triggered from inside. Staff eventually tracked down other security alerts inside Avast's ATA dashboard, alerts that engineers previously ignored, thinking they were false positives. This sudden access rights elevation prompted the company to investigate, Baloo told ZDNet in an email today. However, through a successful privilege escalation, the actor managed to obtain domain admin privileges,' said Jaya Baloo, Avast Chief Information Security Officer (CISO). 'The user, whose credentials were apparently compromised, did not have domain admin privileges.

The intrusion was detected on September 23, but Avast said it found evidence of the attacker targeting its infrastructure going as far back as May 14, this year. In a statement published today, the company said it believed the attack's purpose was to insert malware into the CCleaner software, similar to the infamous CCleaner 2017 incident.Īvast said the breach occurred because the attacker compromised an employee's VPN credentials, gaining access to an account that was not protected using a multi-factor authentication solution. This ebook, based on the latest ZDNet/TechRepublic special feature, offers a detailed look at how to build risk management policies to protect your critical digital assets.Ĭzech cyber-security software maker Avast disclosed today a security breach that impacted its internal network.

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