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Daniel Kehrer

Guide to Protecting Your Business from Computer Viruses

How to make sure your PCs don't fall victim to a virus

By Daniel Kehrer, Editor, Business.com & Work.com

Small biz owners — especially those with growing data stockpiles — are feeling the heat of looming disaster. It can strike from a growing list of sources, including viruses, worms, spam, spyware and phishing. Entrepreneurs now rank computer security among the most crucial survival and growth issues they face. "Any small business that's not worried about computer security isn't paying attention," says Kevin Gilroy, head of HP's small business division.

One reason: Business owners rely more and more on technology all the time, from PCs and servers, to laptops, local networks, wireless devices and broadband Web connections. These have aided productivity, but raised vulnerability.

Data damage or disappearance caused by computer viruses and related ailments can doom your domain. Too many small businesses install protection only after they've suffered a loss. Being proactive now can save your assets later on. Even if you lack formal IT backing like most small businesses, there are many solutions and precautions you can implement solo, such as:
  1. Install antivirus software on all desktops, laptops and servers.
  2. Use a firewall on all desktops, laptops and servers to block intruders.
  3. Keep current with operating system and security software updates to ensure you have the latest protection.
  4. Create strong passwords with at least eight characters combining alphanumeric and special characters. Change passwords from time to time.
  5. Open email responsibly. Never open attachments from unknown senders and do not respond to spam. Email containing junk ads can carry viruses.
Business.com's "What Works for Business" blog is a great way to keep up with the latest solutions, trends and strategies for small and medium business — including computer security and virus protection.

Action Steps
The best contacts and resources to help you get it done


Secure your computers with anti-virus software

Symantec and McAfee are terrific small business resources for computer security products, services and information.
I recommend: Symantec has many anti-virus software products for small business. Solutions include basic anti-virus, anti-virus for handhelds, anti-virus for Macintosh and a multi-user pack. Also get a free virus scan, browse articles on computer security, upgrade anti-virus products and sign up for Webcasts. Archrival McAfee also offers a full line of computer security software and services for small business and home office. McAfee Total Protection for Small Business is an all-in-one service that blocks viruses, spyware, spam, phishing, hacker attacks and identity thieves from desktop PCs, servers and email.

Manage anti-virus security updates with Microsoft and HP

Both computer giants offer a wide range of computer security solutions.
I recommend: Microsoft offers security info and software at its Web site. Download Microsoft Office security updates.Take a quick (20-30 minute) online security training course. Sign up to receive the Microsoft Security Updates. HP has several solutions that can help you manage anti-virus security across your entire business.

Raise your computer security I.Q.

The National Cyber Security Alliance (NCSA) is an organization dedicated to raising Internet security awareness.
I recommend: The small business section of Stay Safe Online offers security tips on safeguarding your systems as well as a self-guided security test, educational materials and other handy resources.

Use an outside service to secure your email

Hosted email services help many businesses eliminate email security threats.
I recommend: Webmail.us offers small business e-mail services (using your own domain name) with built-in spam filtering and virus protection. Their "no software-no hardware" approach is designed to maintain your entire e-mail system so you can concentrate on other matters.

Discover niche anti-virus software providers

You don't have to limit your search to the big names.
I recommend: Norman (not to be confused with Norton, from Symantec) offers a full line of software for virus, Internet, spam, e-mail and download control. Other options include: Sophos, Panda Software  and Computer Associates.

Tips & Tactics
Helpful advice for making the most of this Guide

  • Teach employees to safely use email. The first rule of thumb is never open suspicious or unsolicited attachments. Avoid responding in any way to spam, especially links that claim you will be removed from the spammer's list.
  • Don't let employees use peer-to-peer (P2P) file sharing Web sites and applications.
  • Warn employees about the dangers of downloading applications from unknown sites.
  • Keep all operating systems, software and security measures up to date. Older versions are more vulnerable.
  • Install a "firewall" to block incoming traffic that is not needed for your business.
  • If you discover a PC is infected, take it off your network (if you have one) so that fixes can be installed.

The official source of Protecting Your Business from Computer Viruses is
the Antivirus page at Business.com

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Recommended Solution Providers

CNET: Anti-Virus Comparisons
Search comprehensive product information, specs, professional reviews, and tech-savvy user reviews.

PC World: Anti-Virus
Offers comparison shopping and filters for selecting anti-virus products.

PC Magazine: Anti-Virus
Features pricing, comparisons, reviews, and sorting.

Microsoft: Security Updates
Provides a new security update on the second Tuesday of each month and sends a bulletin announcing the update.

Symantec: Norton Anti-Virus
Tools that defend against viruses, worms, and other malicious code.

CDW: Anti-Virus Software
Provides anti-virus software, services, and support.

Ask Dr. Tech: Computer Help
Live support 24/7 for computer hardware and software.

Stay Safe Online
Goal is to make small business understand the need and benefits in securing their networks and computer systems.

ca: Virus Protection
Believes that systems, processes and people should work in sync.

Sophos: Anti-Virus
Protects businesses against viruses, spyware, adware, Trojans, intrusion, spam and policy abuse.

Norman: Virus Solution
Software includes a variety of security features.

MicroWorld: Anti-Virus
Features anti virus protection software and content security products.

Panda: Virus Software
Security protection for workstations and complete computer systems.

Best Sites to Learn More

About.com: AntiVirus Reviews
Guide to antivirus software includes reviews conducted by various publishers and testing facilities.

CNET: Virus Protection
Reviews and advice and features on security applications.

Buyerzone: Security Software
Buyer's guide for evaluating benefits, costs, and comparisons.

PC World: Security Software
Product reviews, advice, and tips on security software.

LifeTips: Virus Protection Tips
Frequently asked questions (FAQs) for virus protection issues.

Inc: Anti-Virus Directory
Partnership information with Knowledgestorm provides useful anti-virus resources.

Network World: Computer Security
Offers tests, opinions, videos, and other resources to inform business owners.

Best Blogs and Forums

CNET: Virus & Security Forum
Mixture of novices and experts participate in this forum on viruses and security issues.

DevShed: AntiVirus Protection Forum
Antivirus Protection forum discussing issues relating to antivirus, spyware, hijack protection, and personal firewalls for all O/S's.

About.com: AntiVirus Forum
Discussion board for identifying problems and solutions pertaining to computer viruses.

Schwartz: Anti-Virus Blog
A conversation on all things information security.

Castle Cops: Computer Protection Blog
Blog posts, reviews, and press releases regarding internet security protection.

About.com: Antivirus Blog
Regular posts about dealing with virus protection.



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In today's tech-centered business world, computer security issues have come front-and-center for small businesses of all types. And for good reason. Your company's computers contain valuable, irreplaceable data that make them a target for hackers, data thieves and others up to no good. Keeping your computers and their contents safe and secure is crucial to continued business growth, as well as your personal sanity. A breach ... Read more

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