German cybersecurity agency says tech firm could be involved in hacking assaults during Moscow's invasion of Ukraine; US banned use of the software by government agencies in 2017

With police alleged to use spyware against citizens, Channel 12 offers guidelines by Kaspersky Lab, a Moscow-based firm banned in US over ties to Russian security services, hackers

Attacker believed to be Chinese-speaking entity; created false human rights organization with website that installs malicious material on targets' computers, making data accessible

Man identifying himself as Lucas Lambert has been meeting with cybersecurity experts, in an operation resembling one by a so-called Michel Lambert, outed as an Israeli ex-spy