A. To avoid scams, only download addons from reputable developers. Check the developer's website and look for contact information or support options. If the addon has a website, verify its legitimacy by searching for reviews or discussions about it online. Avoid addons that have little to no information about the developer.
B. Use a security extension that can help identify and block malicious sites or addons. Extensions like 'uBlock Origin' or 'Malwarebytes Browser Guard' can provide an additional layer of protection by blocking known malicious content.