Tech:Security

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Unfortunately most of our third party repos don't have specific mail lists for security, therefore the main checks will have to be done by the SRE member on duty. However security-announcements is subscribed to the following:
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Handling a Security incident guidelines (Relationship with Trust and Safety)
Since the creation of the Trust and Safety team in early 2021, the T&S team is primarily responsible for dealing with security threats, such as DoS/DDoS attacks or any other exploits that can be used that would cause harm to Miraheze. That being said, in this area Site Reliability Engineering cooperation is essential for T&S to be able to effectively operate, and in some cases the SRE team will have to take urgent measures to stop or prevent an active threat from doing damage to the farm. There are two main types of threat that will generally arise:

Active threat (Emergency)
There is an 'active' threat when there is evidence that there have recently been attempts (whether successful or not) from a third party to exploit a vulnerability or to attack Miraheze otherwise (DDoS/DoS, etc.).

Due to their urgent nature, active threats may be dealt with by any SRE member without having to first consult T&S or the Engineering Manager of the relevant team (attempts to contact T&S should always be made first, but if there is no response action may be taken). Any action done by the SRE member should be temporary and after it is done the EM and the T&S team should be informed.

Examples of active threats: someone posting code that can be used to exploit something, an active DDoS/DoS attack taking place

Passive threat
There is a 'passive' threat when there is evidence of an existing vulnerability but there is no evidence of any proof of concept or actual attempt (whether successful or not) to exploit that vulnerability recently. While these are still serious security issues, they are not as urgent as active threats given the low probability that they will be exploited immediately.

Due to their less urgent nature than active threats, SRE members should only deal with them after an EM or a T&S member (or both) have been consulted (attempts to contact T&S should always be made first, if there is no response the EM should be contacted). Any action done by the SRE member should be temporary (unless T&S agrees to a permanent solution) and after it is done the T&S team should be informed (if done on EM approval only).

Examples of passive threats: someone reporting a vulnerability but no evidence that it has been exploited (or attempts have been made) or is widely known

If in doubt about whether a threat is active or passive and no EM or T&S member is around, use your judgment and consult with members of the team who are around. Remember that T&S and SRE must collaborate on security issues.