How to Protect Your Computer from Keyloggers


Protect from KeyloggersKeyloggers have been a major problem today as it does not require any prior knowledge of computers to use it. So hackers mainly use keyloggers to steal your passwords, credit card numbers and other confidential data. Below are some methods through which you can protect your computer from keyloggers:
 

Use a Good Antivirus

This is the first and basic step that you need to take in order to protect your computer from keyloggers. Use a Good antivirus such as Kaspersky, Norton or Mcafee and update it regularly.
 

Use a Good Antispyware

Since keyloggers are basically spywares, if you are a frequent user of Internet then you could be exposed to thousands of keyloggers and spywares. So you should use a good antispyware such as NoAdware.
 

Antilogger can be Handy

Antiloggers are programs that detect the presence of keyloggers on a given computer. Over past few years, I have tested a lot of anti-logging programs and have found Zemana Antilogger as the best antilogger.
Zemana
Normally a keylogger can be easily detected by a Good Antivirus program, but hackers use some methods such as hexing, binding, crypting and similar techniques to make it harder to be detected by antivirus programs. In this case Zemana Antilogger comes handy as the program is specially developed to protect your system against harmful keyloggers.
Zemana Antilogger
 

Online Scanning

When ever you receive a suspicious file, you scan it with online scanners such as Multi engine antivirus scanner which scans your file with 24 antivirus engines and reports it back to you if the file is recognized as a virus or spyware. This ensures that none of the malicious programs can escape from being detected as there are 24 different antivirus engines are involved in the scanning process.
 

Sandboxie

Sandboxie is another great program to help you protect your computer against harmful keyloggers and spywares. Sandboxie runs your computer in an isolated space which prevents your program from making permanent changes to other programs in your computer.
When ever you receive a file that looks suspicious, just run the program with Sandboxie so even if it is a keylogger or any other virus it will not make permanent changes to your computer system.
Sandboxie
To run a program in Sandboxie follow the steps as mentioned below:
1. Open sandboxie and click on sandbox menu on the top
2. Now goto Default sandbox
3. Then click on run any program
4. Now select the file you wish to run in sandboxie and click open
 

Keyscrambler

Keyscrambler is one of the best protection against keyloggers that you can have, Keyscrambler is a small program which encrypts your typed keystrokes so even if the victim has installed a keylogger on your system, he or she will get encrypted keys. Keyscrambler currently supports Firefox, Internet explorer and other applications, however its premium version supports more than 160 applications.
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Know More About Trojans and Backdoors


A Trojan horse is an unauthorized program contained within a legitimate program. This unauthorized program performs functions unknown (and probably unwanted) by the user.
  • It is a legitimate program that has been altered by the placement of unauthorized code within it; this code performs functions unknown (and probably unwanted) by the user.
  • Any program that appears to perform a desirable and necessary function but that (because of unauthorized code within it that is unknown to the user) performs functions unknown (and definitely unwanted) by the user.
Working of Trojans

  • Attacker gets access to the trojaned system as the system goes online
  • By way of the access provided by the trojan attacker can stage attacks of different types.
Various Trojan Types
  • Remote Access Trojans
  • Password Sending Trojans
  • Keyloggers
  • Destructive
  • Denial Of Service (DoS) Attack Trojans
  • Proxy/Wingate Trojans
  • FTP Trojans
  • Software Detection Killers
Modes of Transmission
  • Attachments
  • Physical Access
  • Browser And E-mail Software Bugs
  • NetBIOS (File Sharing)
  • Fake Programs
  • Un-trusted Sites And Freeware Software
Backdoor Countermeasures
  • Most commercial ant-virus products can automatically scan and detect backdoor programs before they can cause damage (Eg. before accessing a floppy, running exe or downloading mail)
  • An inexpensive tool called Cleaner (http://www.moosoft.com/cleanet.html) can identify and eradicate 1000 types of backdoor programs and trojans.
  • Educate your users not to install applications downloaded from the internet and e-mail attachments