How to keep your Computer secure from Virus and Malwares?
Even if your PC is equipped with up-to-date anti-malware software, hardware and software firewalls, and other security measures, it can still become infected. The weak link in computer security is the wetware: the human beings who use the machine. And there's simply no fool-proof defense against operator error. That's why any PC security plan has to assume that eventually, some piece of malware will breach the defenses. And these days, infections can do considerable damage without being detected.
Following can help you keep your Computer secure from Virus and Malwares threats
- Always use a modern operating system. Old operating systems aren’t secure enough for ordinary people to use today. Operating System designed years ago can lack in many of the core architectural enhancements that are made in later versions which are more resistant to attacks. Changes like Address Space Layout Randomization and Data Execution Prevention are core features that block some attacks completely. File and registry virtualization (a key part of the much-maligned and misunderstood User Account Control feature) prevents hostile programs from writing to system folders. Removable drive exploits, which have represented a very common strategy for spreading malware recently, do not affect Windows 7.
- Keep your Operating System up to date and backed up. Turn on Windows Update and make sure it’s running properly. That single step will protect you from virtually all widespread malware attacks these days. If you’re worried about a buggy update hosing your system make sure you have a full image backup on hand. Every version of Windows 7 allows you to perform a full image backup to an external hard drive; if you schedule that operation for the day before Patch Tuesday every month (or better yet, for every Monday), you’ll be able to recover from any kind of problem. Oh, and leave the Windows Firewall turned on unless you’ve replaced it with a third-party alternative.
- Keep your applications updated also. Adobe has greatly improved its updaters in the past year. If you’re prompted to update to a new version of Flash or Reader, do it. Microsoft Office updates are delivered automatically through Microsoft Update; make sure that those are being installed as well. Remove unwanted programs that could represent a security threat. Many new PCs come with Java installed automatically. If you don’t use it, remove it.
- Be suspicious of any new software. All malware authors always count on tricking you into installing software that claims to do one thing but actually takes over your system, stealing passwords or adding your system to a worldwide botnet. If you’re not sure a program is safe, don’t install it.
- Always use non-administrator accounts for any unsophisticated users. That category includes kids, parents, employees, and all of your non-geek friends and family members. With a standard account a user needs to talk to you (and convince you to enter the administrator’s password) before installing any new software. That conversation is an ideal opportunity to teach your family members and employees about the warning signs of potentially dangerous programs. (This is another good reason to upgrade from OLD Operating System)
- Use a modern browser. If you’re still using OLD Operating System and OLD Web Browser, stop it.
- Install an antivirus program and keep it up to date. There are plenty of effective programs in this category that can run with a minimum of chatter and will block the overwhelming majority of threats. I recommend the free Microsoft Security Essentials, which is available for download or as an optional update on systems where Windows does not detect an antivirus program. If you prefer an alternative program, paid or otherwise, be my guest. Just don’t let its subscription lapse.
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