Articles & Tutorials

Articles & Tutorials / Content Security (Email & FTP)

Data Leakage, preserving confidentiality: Date - Apr 16, 2008; Author - Ricky M. Magalhaes; Article focusing on data leakage and how this information asset is lost and the result of exposure. This vulnerability may be the result of inadequate measures, or poorly implemented controls that expose organizations and their clients.
Phishing Metamorphosis in 2007 - Trend and Developments: Date - Dec 12, 2007; Author - Dancho Danchev; An account of various trends and developments that phishers embraced during 2007, and what are the driving factors behind the huge percentage increases in phishing emails during the year.
Popular Spammers Strategies and Tactics: Date - Nov 14, 2007; Author - Dancho Danchev; An assessement of several different recent spam campaigns, demonstrating the key concepts spammers use, and providing concise strategic advice on how to undermine their current model.
Managed E-Mail Security Services: Is it the right solution for your network?: Date - Sep 29, 2005; Author - Deb Shinder; Email communications are essential to getting the job done in today’s business world, but many companies are overwhelmed by spam, the security risks of e-mail borne viruses and worms and liability implications of e-mail containing pornography or other undesirable content. It’s getting harder and harder for network administrators to keep it all under control.
How to Avoid Phishing Scams: Date - Jan 27, 2005; Author - Brien Posey; If you received an E-mail message from your bank saying that your checking account was overdrawn because of a check that you didn’t write, what would you do? Before you answer, it’s important to realize that you may not really be overdrawn and that there is a good chance that someone is trying to scam you. In this article, I will explain exactly how this type of scam works and how to avoid being a victim.
Is it Time to Start Encrypting Your E-mail?: Date - Dec 09, 2004; Author - Deb Shinder; Longing for a little privacy? Thinking it might be time to start encrypting your e-mail? This article looks at the pros and cons, examines e-mail encryption technologies, and provides some tips for getting the most out of e-mail encryption.
Understanding E-mail Spoofing: Date - Oct 20, 2004; Author - Deb Shinder; Spam and e-mail-laden viruses can take a lot of the fun and utility out of electronic communications, but at least you can trust e-mail that comes from people you know – except when you can’t. A favorite technique of spammers and other “bad guys” is to “spoof” their return e-mail addresses, making it look as if the mail came from someone else. In effect, this is a form of identity theft, as the sender pretends to be someone else in order to persuade the recipient to do something (from simply opening the message to sending money or revealing personal information). In this article, we look at how e-mail spoofing works and what can be done about it, examining such solutions as the Sender Policy Framework (SPF) and Microsoft’s Sender ID, which is based on it.
E-mail spam: Is it a Security Issue?: Date - Feb 03, 2004; Author - Deb Shinder; The daily deluge of unsolicited commercial or offensive messages (more commonly known as spam) comprises one of the biggest problems facing network administrators and users today. In this article, we will examine how spam presents a security threat to your network, and we’ll discuss the most effective way to deal with it: a multi-layered or “defense in depth” approach that addresses spam at the firewall, server and client levels.
Protecting your Email from Viruses and Other MalWare: Date - Jun 05, 2003; Author - Deb Shinder; Virus writers, who used to spread their virtual “diseases” via infected floppies and network shares, have seized the opportunity posed by email programs that support attached files, HTML messages, and embedded scripts to send viruses and other malicious software (called “malware”) to hundreds or thousands of people with just a few keystrokes. In this article, we will look at how email viruses work and what you can do to protect your computer and network from them.