[Important Security Alert] Beware of "Erebus" Encryption Blackmail Attacks
Alibaba Cloud Anti-DDoS would like to remind you to focus on the encryption extortion incident, examine your business system in advance, strengthen your security and do preventive measures:
1. Alibaba Cloud users please back up your important data using ECS snapshots or other methods as soon as possible. It is recommended to use off-site full backup of all files, and store files in two different formats;
2. Use Anti-DDoS and Server Guard to detect and repair vulnerability, and use WAF to carry on the web security protection;
3. Use ECS Security Group function to control the access of high-risk ports, and close the unnecessary service ports;
4. Install anti-virus software and high-risk patches of operating system and software, such as: “Dirty COW” kernel patch, Struts2 patch, Apache patch;
5. Assign minimum permissions to applications, restrict programs from modifying the system, and prevent unauthorized use.
If you have any questions or concerns, please contact us by submitting a ticket.