Despite updated operating system, browser, browser add-ons, installed firewall, and acute computer security settings, clever viruses, spyware or Trojans may find loop-holes to slip into your system. Not only in terms of performance, but in terms of stability and security too, these malicious software push you on back-foot. What to do next?
Malware, as you know is a class of malicious software such as spyware, adware, or viruses that compromise with the system's performance and security. And in majority of cases they infiltrate through general Internet activities --- browsing, surfing, and downloading, or executing programs or files. Hence, most of the virus or malware defense methods are based on encouraging secure Internet access. Though, virus or malware authors are using astute development techniques, keeping a keen eye on the behavior of your machine, can be helpful in winning the battle of computer security. Following are a few notable symptoms, which can be perceived as an indication of virus or malware attack:
Yontoo Trojan, detected by noted security company Dr. Web is blamed for tracking the browsing behaviors across a range of popular browsers like Safari, Chrome, and Firefox. It may pretend as a media player, download manager, or other plug-in, thereby directing you to some maliciously crafted Web sites disguised as sources for file sharing and movie trailers.
HTML Purifier is a standards-compliant HTML filter library written in PHP. HTML Purifier will not only remove all malicious code (better known as XSS) with a thoroughly audited, secure yet permissive whitelist, it will also make sure your documents are standards compliant, something only achievable with a comprehensive knowledge of W3C's specifications. Tired of using BBCode due to the current landscape of deficient or insecure HTML filters? Have a WYSIWYG editor but never been able to use it? Looking for high-quality, standards-compliant, open-source components for that application you're building? HTML Purifier is for you!