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Enterprise Security Government Home Office Small Business Securing Privacy, Part One: Hardware Issues While Internet users may not be able or entitled to control information about them that is held by third parties, they can still take steps to ensure the protection of their privacy. It's never too late to begin safeguarding your privacy. This is the first of a series of three articles that will examine privacy concerns regarding hardware, then software, and then finally the Internet in general. This installment will examine hardware-based privacy issues, specifically: hardware solutions for small networks and wireless devices, hardware-based spyware, and some attempts by hardware vendors to infringe upon users' privacy. Read the Article Securing Privacy, Part Two: Software Issues In the previous article in this series, we covered hardware firewall-routers. Firewalls are an important part of a privacy protection strategy because they prevent intruders from gaining access to valuable information that is stored on a computer. Now let's look at firewalls that run on individual computers. Known as personal, or PC, firewalls, these are different from hardware firewall-routers in several ways. The best PC firewalls track incoming and outgoing traffic, and allow users to set up rules governing what programs on the computer will be allowed to establish connections to the Internet. Best of all, many PC firewalls are free, although even if they are available commercially, prices tend to be reasonable. Read the Article Securing Privacy Part Three: E-mail Issues This is the third article in a four-part series that will examine privacy concerns as they relate to security. The first installment in the series examined hardware-based privacy issues and solutions. The second installment discussed software-based issues and solutions. This installment will discuss privacy issues that are particularly relevant to e-mail. Read the Article The Soft Underbelly: Attacking the Client Since at least 1998 (see Avolio), security experts have warned that a perimeter defense alone is insufficient, and the vast majority of networks are extremely vulnerable as soon as the firewall, proxy service or physical security layer at said perimeter has been breached. The situation today has not changed much since 1998. Most security initiatives still concentrate on the firewalls and other border devices, and virus defense is the only area where a low level of penetration has been achieved in securing each individual client. None of this is news, though the extent of the danger is beginning to surface slowly, as more and more security experts point to the problem. Nevertheless, I believe strongly that the threat is still being underestimated, even by those who condemn perimeter defenses. Read the Article Sniffers: What They Are and How to Protect Yourself Have you ever thought about how your computer talks with others on a network? Would you like to listen to, or "sniff", the conversation? Network engineers, system administrators, security professionals and, unfortunately, crackers have long used a tool that allows them to do exactly that. This nifty utility, known as a sniffer, can be found in the arsenal of every network guru, where it's likely used everyday for a variety of tasks. This article will offer a brief overview of sniffers, including what they do, how they work, why users need to be aware of them, and what users can do to protect themselves against the illegitimate use of sniffers. Read the Article Share-aware: A new shareware model proposal Shareware programs have been around for a long time, even before the Internet went commercial, and it's main advantage is that it lets potential buyers to try the software before deciding if they buy it or not (imagine if Microsoft was a shareware company!). But it also has a few problems. Many people due to pay the software under the license agreement fail to do so for a number of reasons (that I will not discuss here), thus preventing software authors from receiving much needed income. I will present here a different way for shareware authors to get their fair share (pun intended) of the software pie. Read the Article Secure Online Behavior, Part Three: Using the World Wide Web This the third article in a three-part series devoted to helping readers develop secure habits when using the various components of the Internet. Although for many people the Internet and the World Wide Web are interchangeable terms, this is not accurate; the World Wide Web is an application of the Internet. The World Wide Web allows for the exchange of documents formatted in HTML (Hypertext Markup Language) which facilitates text, graphics and layout. As the World Wide Web has grown in popularity, its capabilities have expanded to include the exchange of video, audio, animation and other specialized documents. Read the Article Secure Online Behavior: Developing Good Security Habits This article is the first in a series of three that will attempt to introduce readers to good security habits. This installment will offer a brief overview of some of the security threats that prey on bad user habits, and will introduce some fundamental secure habits that should be used for all computer applications. The ensuing articles will offer more in-depth examinations of the threats posed specifically by e-mail and Internet usage, and the habits that users can adopt to minimize the risks posed by these threats. Read the Article Secure Online Behavior, Part II: Secure E-Mail Behavior This is the second article in a series devoted to introducing readers to secure online behaviors. In the first article, we saw how users have come to rely on the Internet for exchanging business and personal information. The largest amount of traffic being carried over the Internet today is in the form of electronic mail. Today's sophisticated e-mail programs handle not only text, but also graphics, animation, video, and attachments that can include executable programs, word processing and spreadsheets. Despite the use of firewalls and anti-virus programs that are intended to protect Internet and e-mail users, user behavior is still the key to Internet security. As a result, proper e-mail behavior is very important. This article will discuss secure e-mail behavior by looking at the various threats posed by using e-mail applications, as well as the steps users should take to minimize those risks. Read the Article The Enemy Inside the Gates: Preventing and Detecting Insider Attacks An insider attack, sometimes referred to as an inside job, is defined as a crime perpetrated by, or with the help of, a person working for or trusted by the victim. An insider (the person assisting with, or committing the crime) can be further defined as an officer of a corporation or others who have access to private information about the corporation's operations. Insider attacks are becoming more common and more damaging. According to the annual CPI/FBI survey, 59% of companies surveyed said they have had one or more attacks reported internally. Almost 8% of those companies reported 60 or more internal incidents. 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