Showing posts with label virus. Show all posts
Showing posts with label virus. Show all posts

Thursday, July 9, 2009

Tips to Protect Your PC Files from External Attack

Essential to peace of mind is protecting the PC and your online privacy. When connected to the web, your work and data is open to attacks of various kinds including harmful downloads. A simple game, picture, or program may be the vehicle for malevolence. So, you need to check whether every file that you download, open, or save, is safe or whether there are irregularities of any kind.

Protect your PC by:
- Blocking hackers and viruses by installing the latest firewall and antivirus software. It is advisable to install a software firewall even if you have a hardware firewall in your system. A software firewall is designed to query whether or not it should permit "X," access. The user can specify which applications can access the port and which cannot. A bi-directional firewall such as ZoneAlarm3 and Personal Firewall 5 will monitor both inbound and outbound traffic preventing Trojans and backdoor programs from functioning.

- Block downloads that install unwanted programs by using the options in Internet explorer to block all software from source X specified by you.

- Install software programs that will constantly scan your PC for spyware, adware, dialers, and web bug traces which can create a nuisance and cause crashes, slow down systems, or steal financial information. By adding a schedule you can instruct NoAdware to automatically scan your PC at set times for in-filtrations.

- Immunize your PC and prevent malicious add ons to your system.

- Configure your PC browser to protect you when you are working online. Use a 'real time shield' and prevent intrusions. Be sure to click the "protect IE Favorites" box and ensure that no thief can add an URL without your permission to your browser's favorites list. This will block offensive and dangerous websites from entering your PC environs.

- Say "no" to any web address or site that instructs you to download specific software to view their pages. Such software can contain a virus, Trojan horse, or auto dialer.

- Create a regular back up schedule for your work. Once a week is ideal if you are a virtual worker or running a business. This will minimize any damage should problems arise.

- Be sure to update your software with the latest patches and bug fixes. Then use the updated or enhanced security settings provided by the updates. There are in built ways which you can operate to block damaging viruses, stamp out cookies, and keep unwanted visitors away from your computer system. The method is easy for example if you are using Internet Explorer just go to Tools-Internet Options-Privacy tab. Click the edit button to accept or reject a specific cookie. Go to the advanced settings and check block third party cookies.

- Scan all downloaded files before use. Never launch executable or scriptable files namely those that have dot.exe; .bat ;.doc; .vbs extensions. Do not access attachments of any kind before they are certified as safe.

- Remove file sharing and windows printer options these increase vulnerability of the PC.

- Encrypt your e-mail and embed an identifying key.

Better be sure than sorry. Preventing snoops is easier than trying to recover after an attack. Take informed steps to protect yourself and your PC.

Author: Paul Wilson @ ArticleGeek

Monday, July 6, 2009

Tips on Understanding the Dangers of Spyware and Adware

Money is the very crux of adware and spyware. These pose several problems and are a security risk.

Adware is a program that displays advertisements on the computer whether you want them or not. They are not just connected to particular websites or free software but are programmed to start up whenever your computer is switched on.

Programs like Eudora mail client display advertisements in lieu of charging registration fees for use of software. It helps developers recover program development costs. Kazaa the file sharing application comes bundled with at least three ad-ware programs. Two of them serve ads to the desktop while another redirects the user's browser to a search engine with advertiser sponsored web results. Well known ones are: BroadcastPC; Comet Cursor; GeoWhere; Network Essentials, 123 Messenger, Direct Revenue, and so on.

Unfortunately, other guises of adware are spyware and malware.

Spyware is a program code that relays information about you and your work without your permission or knowledge. Some just "spy" on you conveying your Internet habits to marketing companies, while others are "thieves" they access credit card information as well as other sensitive files. In plain terms, it is malicious software that can intercept or take control of a computer's operation without user knowledge or consent. Termed as "malware" the redefinition of spyware, the programs can:
- Steal personal information and the address book.
- Flood the browser with pop-ups.
- Spam the system.
- Slow down programs and connection.
- Hijack the browser and redirect the user to a "con" page.
- Uses the computer as a server to broadcast porn.
- Can cause a crash.

Spyware reaches a computer through innocent web pages, game demos, MP3 players, search tool bars, and other downloads like free software. It installs itself and leaves a mark on the windows registry. It can hog the computer resources such as memory and hard drive and cause a crash or lock up. Keystroke-logging spyware can steal passwords and credit card information for thieves.

To protect the files one has to:
- Use anti adware and spyware programs. Examples: Spybot, Search & destroy, Pest Patrol, and Lavasoft's Adware.
- Keep windows as well as Internet explorer up-to-date by applying the latest security patches.
- Maintain the security level of the Internet Explorer at medium. Users must not lower the security level.
- Use firewalls and web proxies to block access to web sites known to carry spyware.
- Install layered protection.
- Update the antivirus program. An up-to-date program will stop spyware as well as Trojans.
- Install a startup monitor to protect your system.
- Never accept "free" as being free---check out free software and downloads, there will be a hidden surprise or catch.
- Never download software from warez sites. Pirated software is always distributed along with adware and spyware.
- Use Spy checker to determine if the download has spyware. This can be accessed from the free computer securities pages.

An anti-spyware coalition has been instituted by Microsoft, Earthlink, McAfee, and Hewlett-Packard. They are working towards anti-spyware legislation and putting protection systems in place. A survey shows that 87 percent of users know what spyware is and of this 40 percent through firsthand experience. Protect yourself and your work; keep your system free of adware and spyware.

Author: Paul Wilson @ ArticleGeek

Friday, July 3, 2009

Simple Steps - Protect your Computer Online

So you've bought your computer and want to get online? It's not as simple as connect the wire and off you go these day's. The internet is a weird and wonderful place as long as you can control what you do.

That's why you need to protect yourself. These can be done in a number of very simple steps. This article will get you started but you should always try to be smart when your surfing the net!

Step 1: Anti-Virus Scanner

Whether you're connecting to the internet or not, you need an Anti-Virus scanner. Your computer can become infected with "viruses". These are little files or codes that have been written to ruin your computer! That's why they must be stopped!

There are many programs out there that can help, but it's best to trust only the mainstream programs as these are used widely and updated regularly.

Recommendations: AVG Anti-Virus Free, Avast antivirus

Step 2: Firewall

Ok so your thinking what is a "firewall" sounds scary right? Well it's not really. It is again another line of defence against the number of ways your computer can be attacked. In simple terms it blocks other computers and programs from connecting to you and playing with your stuff. Think of it as an internet wall of fire, where you allow what can pass through.

Software - Again there are many programs available to protect you, Recent Microsoft Windows machines come with Windows Firewall, which can be described as basic at best. We do recommend you go for mainstream again.

Hardware - A firewall can also be included as part of your hardware, like an internet router "that's the box that sits between your pc and the internet line". This is the best and recommended way to have a firewall. As it blocks intruders before it gets to your pc.

Recommendations: Zone Alarm

Step 3: Be AWARE!!

Simply put watch what you download and accept to save to your PC, sometimes people can send you files in e-mails. They look ok but when you run them they will install something onto your PC and leave you upset and distraught. Always scan something that has been downloaded before opening it and never open/run programs that have been sent in an e-mail from unknown sources.

Step 4: Go for it

That's pretty much it to get you going. If you think something doesn't look right, it probably isn't. Hopefully this will get you going to start with, wait till you find out about spy ware and Trojan's!! Good Luck and Safe Surfing

Author: Nam Sss @ ArticleGeek