When looking at the root cause of these attacks, ransomware was by far the most prominent, accounting for a whopping 54.95% of breaches. Ryuk stood out above the rest, repeatedly appearing in breach disclosures and accounting for 8.64% of ransomware-related breaches, followed by Maze (6.17%), Conti (3.7%) and REvil/Sodinokibi (3.09%).