Welcome to this week’s Cyber Threat Intelligence Summary, where we bring you the latest updates and insights on significant cyber threats. This edition covers the SuperShell malware targeting Linux SSH servers, an in-depth analysis of three Chinese-linked clusters responsible for cyberattacks in Southeast Asia, and CitrineSleet exploiting a zero-day Chromium vulnerability.

Hacktivism is by its very nature reactive, as it involves the use of computer-based techniques as a form of civil disobedience to promote a political agenda or social change. Groups conduct attacks in response to the actions of others, both to encourage or discourage these actions. With the emergence and developments of the Russia-Ukraine war and the Israel-Palestine conflict escalations, there has been a resurgence in hacktivism over the past few years.