The malicious activity comes as CrowdStrike customers continue to recover from the July 18 outage.

A group known as Solntsepek claimed credit for attacks on the ISPs Triacom, Misto TV, Linktelecom and KIM.

Russian hackers have added new capabilities to the malware used to disable satellite modems at the outset of the invasion of Ukraine.

The warning comes as part of an overview of cyberattacks carried out by Russian-linked actors over the past year.

Researches believe the destructive malware is the work of Sandworm, a Russian military unit suspected in a series of Ukrainian cyberattacks.

Expect to see more attacks, Microsoft says.

Researchers from SentinelOne say there are reasons to disagree with Viasat's most recent statement about the Feb. 24 attack.

Ukraine's Victor Zhora said the so-called IT Army has done "useful" things, and he offered information about the "CaddyWiper" incident.

The wiper could add to the woes of a country increasingly under physical and cyber assault.

The NotPetya attacks crippled businesses around the world and led to an estimated $10 billion in costs.