![]() ![]() Software Conflicts: Sometimes, other software or plugins on a user’s computer might interfere with how Avast analyses websites, leading to legitimate sites being blocked. Network Rules: If there are specific network rules set either on Avast or the network you’re connected to, legitimate websites might get blocked based on those rules. If Avast deems this tracking behaviour as invasive or similar to spyware, it might block the site. This can be quite a common problem with mail servers too.Īggressive Tracking: Some legitimate websites might use aggressive tracking cookies or scripts. Server IP Reputation: If a legitimate website shares its server IP with malicious websites, Avast might block it based on the reputation of the shared IP. If Avast detects malware or suspicious activities on a site, it will block access to protect the user, even if the website is generally trustworthy. Infected Website: Sometimes, legitimate websites get compromised. If any of these sources are flagged as suspicious or malicious, Avast might block the entire website. If a legitimate website has an expired or improperly configured SSL certificate, Avast might block it, considering it a potential threat.Įmbedded Content: Legitimate websites might embed content (like ads or third-party scripts) from other sources. Outdated Security Certificates: Websites use security certificates to establish secure connections. This type of community involvement is key for websites that are perhaps new or with low traffic, to validate their trustworthiness. You can report false positives to Avast and they will investigate to determine whether the website is indeed legitimate and safe. Sometimes, legitimate websites might have patterns or behaviours that accidentally match those of malicious sites, leading to false positives. Here’s the most common:įalse Positives: Avast uses algorithms and patterns to detect potentially harmful websites. ![]() An ‘untested’ or ‘untrusted’ site doesn’t mean it is malicious but that there is insufficient data and that can be the cause of the trust issue.Īvast might block legitimate websites for a variety of reasons however. If there are fewer applications or feedback about a website in the Avast community, the program might not recognize it as safe. If a site acts suspiciously, (e.g., trying to access your webcam or download files automatically), Avast might block it.īlacklisted Websites: If a website has a history of phishing or other malicious activities, Avast will block it.Ĭommunity Feedback: Avast relies on user feedback. Website Behaviour Analysis: Avast examines how websites behave. This is what you want from a security package. This feature automatically protects users from malicious websites by blocking access. Real-time Protection: Avast’s Premium and Ultimate versions come with real-time protection. An Avast product working properly should block websites based on: If there’s a match, or if the website behaves suspiciously, Avast blocks it. This tool scans the websites you try to access and checks them against a database of known malicious sites.
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