In this week’s Cyber Security Brief, Brigid O Gorman and Dick O’Brien talk about extortion hacking group Lapsus$, which has made headlines in recent weeks by claiming to have compromised numerous high-profile companies including Microsoft, Okta, and Nvidia. We tell you what we know so far about this controversial new actor. We also discuss the impact the Russian invasion of Ukraine has had in the world of cyber security, from Russia potentially running out of data storage facilities due to international cloud providers pulling out of the country, to warnings about attacks on critical infrastructure being issued by authorities in the U.S. and the UK. Finally, the BazarBackdoor malware is seen deploying some new tactics.