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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.
By Tom Vogt , 03/20/2004
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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.
By Scott Granneman , 03/20/2004
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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.
By Scott Grannerman, 03/20/2004
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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.
By Scott Grannerman, 03/20/2004
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A Beginner's Guide to the Internet The Internet has become an integral part of daily life. Unfortunately, while many people have come to rely on it, most have little or no understanding of how the Internet works. This can pose serious problems, particularly as issues around information security become more common and more serious. This article will set out to explain to readers who have little or no technical background how the Internet works . It is hoped that this will provide those readers with a good fundamental knowledge of the principles and terminology of the Internet, so that they can begin to protect themselves against the variety of security threats that exist on the Net.
By Stephen Entwisle, 03/20/2004
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Protecting Your Corporate Network from Your Employee's Home Systems In addition to the protection provided by a strong perimeter firewall, a security conscious corporation will often have strict control over the systems placed on employee desktops. This may include anti-virus software, patch management, configuration management, and removing the ability for employees to install unauthorized software. Maintaining this level of desktop control is not trivial for the Information Technology (IT) organization within a corporation, but for company owned systems located on a corporate campus it can be done. The challenge becomes much greater when employee home systems are allowed to access the corporate network via a Virtual Private Network (VPN). These systems spend most of their time connected to the wild wild Internet and the rest of their time directly connected to your corporate network. In addition to work related activities they may be used for many other purposes by any number of people.
By Todd Rosenberry, 03/16/2004
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Security is Not a Luxury Anymore for Small Business Many young, cash-strapped online companies mistakenly consider the security of their e-business a luxury they cannot yet afford, a to-do item for later down the road. This shortsighted thinking is precisely what destroyed one very promising e-business I know in San Francisco. Out of respect for the privacy of this otherwise well-run company, I would like to protect their identity. But their sad tale contains a useful lesson for small businesses everywhere. By telling their story I hope to help other small businesses to avoid making the same mistakes.
By Andrew Kaufman, 03/13/2004
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The problems with secure e-mail The ideal system that everyone is searching for - the silver bullet, is to have top security automatically regardless of who you are sending to and what product(s) they happen to be using. The reality is that many e-mail packages are not themselves secure, and do not interoperate cleanly with anything but their own products. For the time being you are better off keeping your security outside of your e-mail or word processing package, and exchanging attachments that are fully protected and not relying upon any of the different systems that people are using. That way you increase the security of the result and do not have to rely on complex interactions between proprietary systems.
By ArticSoft Ltd, 03/10/2004
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E-mail Security: Threats Facing the Corporate Email System A variety of different elements weaken your corporate email system and while some are widely known - such as email viruses - others tend to be ignored. Emails carrying offensive messages or confidential corporate information can create immense inconvenience and expense for a company that has not equipped its mail server with the appropriate tools. The same goes for spammers who use the email system at work to send thousands of unsolicited email messages. And what about the vast damage and time-loss caused by email viruses, which seem are making ever more frequent appearances these days?
By GFI Software Ltd, 03/10/2004
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S/MIME - great idea, pity about the implementation If correctly implemented, the S/MIME standard seems an attractive proposition for providing simple signature and encryption "envelope" functions for e-mail and the attachments going with it. However, despite the interoperability challenges of EEMA and others over the last four years it remains a challenge to get one e-mail provider working successfully with another.
By Artic Soft, 03/10/2004
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