Virus, Spyware, Spam Thousands of harmful programs are at the doors of your company’s computer network and your professional computer. Who are they and how to permanently block their repeated attacks?
In business, the networking of computers is a real opportunity for the collaboration of your teams but it also multiplies the risks of infection. Installing the tools that will ensure the security of your networks is, therefore, all the more essential in a company.
Viruses, worms, Trojans, spyware, root kit and spam are all malware, malware (they are often mistakenly grouped under the term virus).
Existing anti-malware solutions are very comprehensive protections; Antivirus, antispyware, firewall, anti spam are often grouped under the same software.
Viruses are harmful programs that are introduced without your knowledge on your network and your computer and spread there. A virus can be more or less harmful: it can simply occupy the resource or destroy some or all of the data stored on your computer or the server of your company.
The most common viruses infect Word or Excel files. It is through the exchange of these files that the viruses spread: by mail, downloads, USB stick, CD-ROM, etc.
How to detect a virus? If you find that your computer is abnormally slow, if you need to restart it regularly, it can be a virus. Because this is the most common operating system, Windows is more exposed to viruses than Apple is Linux.
Which antivirus to choose? The role of antivirus is to detect and then remove viruses. Most free solutions are for personal use. For professional use, it will take between 50 and 100 €. For this, here is a selection of antivirus for professional use:
- G Data
- Bit Defender
- Kaspersky Antivirus
- Symantec, Norton Antivirus
- Trend Micro
- Comodo Internet Security
- Antivir (free)
An anti-virus alone is not enough, it must be coupled with a firewall, such as Zone Alarm.
Make sure to update your antivirus every day. New viruses are listed regularly, it is to be able to recognize and combat these new viruses that an update is necessary.
Do not install multiple antiviruses; there are high chances of incompatibilities and risks or inconvenience to your computers, slowing down for example.
Perform regular scans of your computer, to make sure there is no infection.
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Worms spread via e-mail, mostly via Microsoft Outlook, since this is the most common messaging software. When a worm has infected your email, it automatically sends messages to the addresses in your address book. “I Love You”, appeared in 2000, is one of the most famous verse.
The worms are detectable by the anti-virus cited above.
Spyware is spyware, also known as spyware. They often accompany the free software and install themselves automatically without your knowledge during the download. The goal of this spyware: collect information about you, then transfer and exploit them.
Like viruses, spyware does not all have the same level of danger. They can simply collect information about your use of the internet to better adapt their marketing policy or spy your keystrokes on the keyboard to recover your passwords.
Tips for not having spyware on your network
Avoid installing free software. Before downloading, check the reputation of the software publisher.
What tools exist to eliminate spyware? Most spyware can be detected by your antivirus. But the best thing is to have a specialized tool: an antispyware.
Antispyware for professional use
- Spyware Doctor
It is recommended to do a regular scan of your computer, approximately once a week, to detect and remove spyware that would have entered your computer.
In a business, spam is a waste of time for you and your collaborators and a loss of space for your computer hardware.
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Tips to avoid receiving spam
Never open an e-mail suspected of being spam and especially do not answer it. Some spam is simple advertisements, others are dangerous: spam can have the appearance of an email from your bank in order to retrieve your codes is phishing.
Use a different address from your main address for your newsletters.
Think of unchecking the boxes that confirm your consent to receive information.
Anti spam software
The most effective solution is to block spam upstream on the server of your company, thanks to specific software:
- Boss, from Intradot, a solution for small businesses.
- ESafe, of Aladin, blocks especially unwanted e-mails
- Gfi Mail Essentials, server-based antispam
The webmails (Yahoo, Hotmail, Wanadoo, etc.) have they’re own antispam, not 100% effective, unfortunately.
E-mail software ( Thunderbird, Outlook, etc.) automatically filter spam in a Spam box. Check before you delete them that they are spam.
Cleaning System Files
To be able to release a little of its system unnecessary data, the small and unavoidable free software to own on its machine is Ccleaner. Simple to use, it removes all unwanted and obsolete small files from your machine: cookies, history, temporary files, registry entries etc. In addition to being in French, it is compatible with all Windows operating systems and supports all browsers.