MALWARE or malicious software is a program which when gets an entry into a computer can cause various types of damages to the computer.
SOURCES
- Downloaded files and programs
- E Mail attachments
- Booting of an unknown CD
- Attaching an unknown Pendrive or an SD card.
- Cracked software.
TYPES
- VIRUS - Vital information resource under threat. Attaches itself to other programs and harms by negatively.
- WORMS - Are invisible self replicating files.
- TROJAN - Facilitates unauthorized access and steal information.
- SPYWARE - Collects all spying information from a computer when installed.
THREATS
- SPOOFING - Unauthorized access by accessing the ip adress and pretending to be a legitimate user. Also called as MASQUERADE.
- PHISHING - Attempting to acquire sensitive information by fraud. eg. Emails asking for password and login bank accounts.
- SPAM - Sending bulk messages by email.
- ADWARE - Unwanted advertisements shown on the software downloaded. eg. Moviemode.
- CRACKING - Cracking softwares to know passwords and serial logins.
- ROOTKIT - Break into a computer system without getting detected with the help of software.
HOW TO HAVE PROPER COMPUTER SECURITY
- Antivirus software
- Firewall
- Antispy software
- Digital certificate of the site which tries to open and of software.
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