Dangerous and Malicious Tool - Keylogger (K)
CRIME AND JUSTICE
What is a Keylogger?
1. A keylogger is a func which records or keystrokes on a computer (comp). Taken at this basic level, a keylogger looks absolutely harmless. In the hands of a hacker or a cybercriminal, a keylogger is a potent tool to steal away your info. We'll talk about how a keylogger works, how cybercriminals install it on your comp and what you can do to avoid being a victim.
Main Objective (Obj) of K
2. The main obj of keyloggers is to interfere in the chain of events that happen when a key is pressed and when the data is displayed on the monitor as a result of a keystroke. A keylogger can be done by introducing a wiring or a hardware bug in the keyboard, to achieve video surveillance, terminating input and/or output; or by also implementing the use of a filter driver in the keyboard stack and demanding data from the user's keyboard using generalized documented methods. There are two other rootkit methods used by hackers. Masking in kernel mode and masking in user mode.
Threat
3. Keyloggers are a serious threat to users and the users' data, as they track the keystrokes to intercept passwords and other sensitive information (info) typed in through the keyboard. This gives hackers the benefit of access to PIN codes and account nos, passwords to online shopping sites, email ids, email logins, and other confidential info etc.
4. When the hackers get access to the users' pte and sensitive info, they can take advantage of the extracted data to perform online money transaction the user's acct. Keyloggers can sometimes be used as a spying tool to compromise business and state owned coy's data.
Instl of Keyloggers
5. Keyloggers can be installed when a user clicks on a link or opens an att/file from a phishing mail. Keyloggers can be installed through webpage script. This is done by exploiting a vulnerable browser and the keylogger is launched when the user visits the malicious website. How keylogger get installed:
A. A keylogger can be installed when a user opens a file attached to an email.
B. A keylogger can be installed via a web page script which exploits a browser vulnerability. The prog will auto be launched when a user visits an infected site.
C. A keylogger can exploit an infected sys and is sometimes cap to download and install other malware to the sys.
How Hackers Install A Keylogger
6. A hacker employs a Trojan virus as a delivery tool to install a keylogger. But way before one is downloaded onto your system, a hacker will use two different methods to get it into your computer. And both ways involve your participation. The first method involves phishing. Phishing is the act of faking an email from a legitimate coy to fish for passwords and credit card nos. Sometimes, these emails contain atts which download prog stealthily into your comp once you click on them. For the second method, the hacker researches on his intended victim beforehand in order to find a weakness in her or his online habits. Let's say a hacker finds out the victim habitually visits few exclusive sites. The hacker might craft an email with a fake coupon for a membership into an exclusive website. Since this method targets a particular fondness of the victim, there's a large chance of success that the he or she will download the fake att, unknowingly installing the keylogger.
How to Protect Yourself
7. Take caution when opening atts. Keyloggers can be present in files received through email, chats, networks, text msgs or even social networks. If someone sends you an email out of the cold or the contents of the email are asking for your pers info, chances are there's a keylogger in there somewhere.
Two Factor Authentication
8. Strict implementation of Two Factor Authentication through one time passwords would help users protect their sensitive credentials, as one time password is momentary and the hackers cannot use the same detected password the next time.
Use of Virtual Keyboard
9. Virtual Keyboard helps to avoid personal data interception by the hackers. It is a software used to allow the users to input characters without the actual need for physical keys.
Use a Comprehensive Sy Sys
10. Install a good Antivirus Product with the latest virus definitions.
Concl
11. It is advisable to stay vigilant with a proactive and comprehensive sy sys with advance protection to combat against even the most deadly keylogging activities.
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