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Email Security
Introduction This article provides an overview of Email Security. In the past few years, due to the rapid growth of computers and Internet, Email (Electronic Mail) has emerged as a popular medium of communication. Email has now become a backbone of our day today activities and its use will continue to grow. With the rapid growth of email it has also attracted the attention of individuals and organizations who seek to cause some form of technological damage like virus attacks or make some money in an illegal way. As a result security has become an issue concerning all email users.

Email threats

Email security can be viewed as a combination of several different threats such as Viruses, Worms and Trojan Horses, Phishing and Spam that work independently to cause damage to the computer, defraud users and undermine the reliability and trust of email systems.

Virus, Worms and Trojan Horses: Delivered as email attachment, destructive code and hamper host's system turning the system into remote slaves know as botnet's and can cause the recipient to loose serious money. The Trojan horse keylogger's can record system activities giving access to external parties to the user personal details such as bank accounts, passwords and other important details.

Phishing: Phishing attacks make use of social engineering to steal consumer's personal and financial data. Many a times spoofed email lead it recipients to bogus website which are specifically designed to trick individual to reveal their personal data such as credit-card numbers, account usernames, passwords and Social Security numbers. Phishing attackers generally hide under the fake identity that they steal from banks, online merchants etc.

Spam: Although not as serious as viruses, spam email or junk email can quickly fill up an email's inbox making it difficult for the owner to see legitimate email messages. Spam is the common choice of delivery medium for virus attackers and phishers.

Email Protection Measures.

Some of the measures used to protect email are discussed below.

Client Security: Almost all major email clients offer security settings, anti-spam tools, phishing filters and discard messages that can cause harm to the computer.

Firewall: A firewall can help email security by filtering out malware messages and other unwanted messages that do not meet the pre-configured rules.

Encryption: Making messages hard to decipher for the unintended recipients is a popular way of protecting outbound messages.

Anti–Virus tools: The anti virus software does the job of spotting viruses, worms and Trojan from incoming email messages.

Spam Filters: Spam filters do the job of filtering out spam messages from the inbox thus freeing the inbox of unwanted messages. Improved spam recognition technologies have made spam recognition more and more accurate.

Education: Users who are aware about the consequences of the viruses, infection and phishing attacks are less likely to click suspicious links and other risky operations.

References: http://www.itsecurity.com/features/essential-guide-email-security-051508/ —Preceding unsigned comment added by PDUMA2009 (talk • contribs) 11:36, 13 May 2009 (UTC)

Thanks! GARDEN 11:44, 13 May 2009 (UTC)