Definition of Enterprise Security
Enterprise security is the process of securing a corporations' infrastructure and information.
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Enterprise Security
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The Need for Information Security in Today's Economy
The advancement of technology, the Internet, and information sharing has had both positive and negative impacts. One of the negative impacts was the large increase in new "information" threats. The number of threats and reported computer related incidents increased at a tremendous rate by the end of the 1990's, and into the 2000's. Many of the computer incidents exploited confidential information being stored by companies in a variety of different industries. The ability to carry out threats against information systems has been made easier due to the sharp increase in system vulnerabilities. Unauthorized access to confidential information was also the result of weak or non-existent information security practices. Not identifying and mitigating risks is a leading cause of unauthorized access and the exploitation of vulnerabilities.
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Approaches to choosing the strength of your security measures
The rising exploitation of most existing vulnerabilities is combined with the appearance of new ones resulting in a new and powerful threat to Internet users (see, for example, 2001 CSI/FBI Survey, a standard cyber crime statistical reference). The security industry often takes the position that companies should promptly design and implement more and more security, increase its priority within the business and train all computer users in using the multiple layers of enterprise defense. Similar advice is given to small office, home office and individuals using the Internet from home.
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Tracing an e-mail message
First (and easiest) thing to forge is the e-mail return address. Most personal computer posting software lets you type in just about any e-mail address you want to (for example the software I am using to post this message). Unless someone is a real idiot or they truly don"t know they will annoy tons of people, they will forge a fake e-mail return or put in the e-mail of someone they don"t like. It seems that most machines will accept e-mail from any other machine, so don"t send e-mail to postmasters at "upstream" sites that are just passing the message along.
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Secure Web Based Mail Services
There used to be a time when secure email management was simple. "Managing" meant sorting through your email messages, putting them into appropriate folders. Secure email back them meant using a simple password for email access. However, today, with email being a business critical application, more threats against email than ever before, government regulatory concerns, secure email management takes on a whole different meaning. Viruses, spam, worms, and other malicious attacks and non-malicious events can bring email infrastructures to their knees. With recent government legislation in countries such as the U.S., email confidentiality has become a growing concern. One of the more common access to email today is via web browser and web based email access. What security issues should be kept in mind when developing or designing web mail systems?
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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.
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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?
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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.
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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.
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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.
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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.
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