A Russian national, Ilya Angelov, has been sentenced to two years in prison for his role in managing a botnet used to launch ransomware attacks against US companies1. The 40-year-old, also known by his online aliases "milan" and "okart", was fined $100,000 for his involvement in the TA551 cybercriminal group. This group, based in Russia, has been linked to numerous ransomware attacks targeting various sectors. The sentence highlights the ongoing efforts of law enforcement agencies to crack down on cybercrime. The TA551 group's activities demonstrate the significant risk posed by ransomware to operational resilience, particularly in sectors with critical infrastructure. So what matters to practitioners is that this case underscores the importance of proactive operational resilience planning to mitigate the impact of such attacks.