When we think today we do considering a computer connected to the Internet will be almost continuous, although this is fantastic, do not always have that this access, if not managed properly, it is like to live in a house with the door always open. Hopefully, nothing will happen, but it is clear that it is not advisable.
Especially considering the enormous amount of malicious code floating around the world. According to a Symantec report released last week, the end of 2007 had more than 1 million viruses, Trojans, spyware and other malicious code.
why there are applications that help protect the PC, with a specific function that keeps the computer safe from attacks.
First you have to upgrade the operating system and applications use to access the Internet, as browser, messenger or e-mail client, since the new versions include fixes and patches that remove security holes.
The latest editions of the browsers and email clients also detect phishing ploys, that is, fake sites that pretend to be originals, banks or credit card issuers in order to capture private data such as security keys and others.
Windows updates include a tool for removing malicious software against viruses MyDoom, Sasser and Blaster.
Spyware Spyware or Spyware is an application with a visible role (a taskbar, a game) and one hidden. Statistics collected without consent application usage and sites visited, and often install software without authorization, which could be harmful to your computer. This violation of user privacy, and the opening of a digital gate has no control led to the creation of anti-spyware software to remove it.
There are several free tools like Ad-aware (www.lavasoftusa.com), Spybot Search & Destroy (www.safer-networking.org/es/), A-squared (www.emsisoft.es/es/software/ free /), AVG Anti-spyware (free.grisoft.com, from the makers of free antivirus) Spyware Blaster (www.javacoolsoftware.com / spywareblaster.html ) Or Microsoft Windows Defender (www.microsoft.com / athome / security / spyware / software / default.mspx).
Once installed the application, update your database as it only detects spyware before it. While it can work as a resident (ie, analyzing incoming data to the computer), the first time you have to analyze the rigid stop looking for spies. If it finds one it will list, and will have to choose whether to void (which may make another application to stop working) or not. List here are usually cookies, trace files left by sites we visited. They are not harmful in itself, but many users considered a violation of their privacy, and offer programs that delete them. Keep in mind though, that Web services are that they will refuse to accept the user if it does not allow the burden of cookies on your computer. Antivirus
The other application that reviews the contents of the disk of our PC to verify it is free of the virus infections, prevent the installation of viruses, worms and Trojans on your computer. Even before the virus was very harmful, formatting disks or deleting photos today often target more than anything in its mass distribution. However, installation should be avoided, especially for the Trojans, which hide behind a facade innocent (a game in flash, a screen saver) intended to allow a third entry into our computer to steal information stored on it, or use it to direct attacks on Internet servers.
The antivirus also be updated. Are able to review the attachments that arrive in e-mail, and should be used to analyze any program to be installed on the PC, especially if they have downloaded from a website or sent someone else, very reliable whatever. Among the free antivirus is AVG (free.grisoft.com), Avast! (Www.avast.com / index_esp.html), Avira (www.free-av.com) or PC Tools (www.pctools.com/es/free-antivirus/).
Commercial alternatives also exist. Eset (www.nod32-a.com) offers NOD32 antivirus and antispyware their (U.S. $ 39.99 + VAT) with antispam and a firewall is the Smart Security suite (U.S. $ 59.99 + VAT). Kaspersky (www.kaspersky.com/sp/) has Internet Security 7.0 (U.S. $ 52.50 + VAT) with antivirus, antispam, antispyware and firewall. McAfee (mx.mcafee.com) sells VirusScan 2008 ($ 149.90), an antivirus with antispyware, too, the Internet Security Suite 2008 ($ 199), with 3 licenses of antivirus, antispyware, antispam, parental control and copies of Automatic security and Total Protection 2008 ($ 299.90), as above, adding to a firewall. Symantec (www.symantec.com / en / xs / index.jsp) is Norton 360 ($ 299), with antivirus, antispyware, antispam, firewall, backup, parental controls and 2 GB of online storage, and Internet Security ($ 199): antivirus, antispyware and firewall.
Panda (www.pandasecurity.com/argentina/) sold 3 licenses its antivirus with antispyware for $ 119.90, if you add a firewall is priced at $ 149.90, and its Internet Security Suite ($ 249.90 ) adds antispam, parental control and backups. Trend Micro (www.antivirus.com.ar), finally, markets in the country PC-cillin Internet Security (U.S. $ 49 + tax): antivirus, antispyware, firewall and intrusion control wireless connections. Firewalls
The third element to maintain PC secure is the firewall, or firewall, which monitors the data exchange between programs and the Internet, only if authorized to do so and avoid a site with malicious code attack the team.
Depending on the developer and how it is configured, the firewall will be more or less jealous when approving the connection of an Internet application or process. Upon completion of the application for the first time (since it was installed the firewall) a window will report that attempts to connect to the network, and we ask that approved or denied this request. You can create a rule that does not ask for permission.
Failure to recognize the program (because the firewall shows only the file name) to query sites like www.processlibrary.com/es/ or www.ppedia.com, which give information about processes running on the PC, to determine whether hazardous or not.
Windows XP and Vista include a firewall, which is activated from the Control Panel. In the case of XP, install Service Pack 2, which creates a security center to manage the firewall, antivirus and operating system updates. The Vista is more sophisticated: controls outbound connections and those coming from the Internet. Other free firewalls are Comodo (www.personalfirewall.comodo.com), Zone Alarm (www.zonelabs.com) and NetDefend (www.programmerworld.net / personal / firewall.htm).
Mac OS X also has an integrated firewall, is configured in System Preferences> Security. The same applies to any distribution of Linux. Some also include a graphical interface to configure, otherwise you can try FireStarter (www.fs-security.com), which allows to easily adapt cortafuergos (called iptables) to our needs. Ricardo Sametband
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