1. MalwareBytes (2023) ION Starts Bringing Customers Back Online after LockBit Ransomware Attack.https://www.malwarebytes.com/blog/news/2023/02/ion-starts-bringing-customers-back-online-after-lockbit-ransomware-attack
2. The Telegraph Media Group (2023) Royal Mail Turned down ￡66m Ransom Demand from Lockbit Hackers.https://www.telegraph.co.uk/business/2023/02/14/royal-mail-turned-66m-ransom-demand-lockbit-hackers/
3. Oz, H., Aris, A., Levi, A. and Uluagac, A.S. (2021) A Survey on Ransomware: Evolution, Taxonomy, and Defense Solutions. ArXiv: 2102.06249. http://arxiv.org/abs/2102.06249
4. A New Scheme for Ransomware Classification and Clustering Using Static Features
5. Introduction to Malware Analysis