Informatics Practices
Phishing involves authentic looking sites trying to collect your sensitive transactional and identity information.
Related Questions
Malware is a special type of virus.
Spamming refers to the sending of bulk-mail by an identified or unidentified source.
To keep a computer protected, one should use updated software, be cautious while handling mails and surfing Internet, scanning computer regularly etc.
Firewall can be implemented in software as well as in hardware.