A security researcher has been banned from GitHub after posting zero-day Windows exploits, sparking controversy over the company's handling of the situation. The researcher had allegedly been causing disruption by releasing unpatched vulnerabilities, prompting Microsoft to take action. However, experts claim that the ban is vindictive and may lead to further retaliation, as the researcher has promised to escalate their activities1. The incident highlights the cat-and-mouse game between security researchers and tech giants, with zero-day exploits posing a significant threat to users. As a result, the window for patching these vulnerabilities is rapidly shrinking, making it essential for users to assess their exposure immediately. The ban has sparked a debate over the ethics of responsible disclosure and the consequences of aggressive action against security researchers, so what matters most to practitioners is the urgent need to review their systems for potential weaknesses and apply patches before further exploits are released.