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Active exploitation of the OWASSRF vulnerability to deloy Play ransomware

Updated on 2022-12-29

Play ransomware

Fortinet researchers have a technical breakdown of the new Play ransomware operation. Read more: Ransomware Roundup – Play Ransomware

Updated on 2022-12-23

Palo Alto Networks Unit 42 researchers observed the active exploitation of the OWASSRF vulnerability. So far, eight organizations have seen the exploitation activity against Microsoft Exchange servers. Read more: Threat Brief: OWASSRF Vulnerability Exploitation

Updated on 2022-12-20

The Play ransomware gang claimed responsibility for attacks on Germany-based H-Hotels by listing the company on its Tor site. The data stolen includes client documents, passports, IDs, and more. Read more: Cyberangriff auf


Crowdstrike said they identified OWASSRF, a new method of exploiting the ProxyNotShell vulnerabilities. The company said it saw the technique being used in the wild to deploy the Play ransomware. Read more: OWASSRF: CrowdStrike Identifies New Exploit Method for Exchange Bypassing ProxyNotShell Mitigations

Alex Lim is a certified IT Technical Support Architect with over 15 years of experience in designing, implementing, and troubleshooting complex IT systems and networks. He has worked for leading IT companies, such as Microsoft, IBM, and Cisco, providing technical support and solutions to clients across various industries and sectors. Alex has a bachelor’s degree in computer science from the National University of Singapore and a master’s degree in information security from the Massachusetts Institute of Technology. He is also the author of several best-selling books on IT technical support, such as The IT Technical Support Handbook and Troubleshooting IT Systems and Networks. Alex lives in Bandar, Johore, Malaysia with his wife and two chilrdren. You can reach him at [email protected] or follow him on Website | Twitter | Facebook

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