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| |  | One of the first things a new employee receives is a password to access his computer, the company network, and whatever applications or services he needs to do his job. The logic behind the password is simple. The company wants to limit access to authorized personnel. A password-based security system is the best option for most companies, but such systems do have their problems. Employees are writing down passwords on sticky notes and putting them on computer monitors or sharing passwords with co-workers, making it impossible to track who has access to what. | |  | | |  | It is impossible to imagine business without e-mail. According to IDC Research 97 billion messages are sent worldwide each day. The proliferation and ease of use of e-mail does, however, open it to abuse. Spammers bombard users with unsolicited messages daily or even more frequently, and organized criminal gangs systematically use e-mail to disseminate malware and commit identity theft. The barrage is relentless: in 2007 just 5 percent of all emails sent were legitimate, the other 95 percent of messages being spam or containing malicious links. These 4 steps can help ensure that your e-mail infrastructure does not become just another statistic on the cyber-police blotter. | | | | | |  | To "accelerate" Voice over IP (VoIP) traffic is an ambiguous, often misleading phrase. VoIP traffic moves at the speed of light, just like all other types of IP traffic. It can be delayed by network congestion and various other issues, resulting in degraded voice quality and dropped calls. Quality of Service (QoS) policy enforcement is an important mechanism to expedite delivery of VoIP through shared IP networks. It is just one of many ways that VoIP traffic can be optimized to conserve bandwidth and provide superior performance, even if the actual service cannot actually be "accelerated". | | | | | |  | With service-oriented architecture (SOA), once-siloed business functions, IT processes and data are exposed as services that can be reused -- across departments, lines of business (LOBs) and even entire organizations. The unprecedented scope of an SOA initiative brings to the forefront a number of management and governance issues that were sidestepped in the past. Establishing a strong SOA governance structure may require some degree of organizational transformation to align roles and lines of authority with new policies, standards, procedures and processes. | | | | | |  | Most companies still face a common IT challenge: managing their employee laptops. Employees frequently travel for work and take along their laptops that contain sensitive business data. As more and more employees rely on laptops as their main workplace computer, volumes of information that previously remained within the confines of the office are now increasingly put at risk as they travel the world. It is critical for traveling laptops to have the same level of security as the PCs located within the workplace; otherwise the data on those laptops is at risk or loss and theft. | | | | | |  | IT managers and executives have enthusiastically embraced server virtualization because it greatly increases server utilization, reduces capital costs and cuts operating expenses. By enabling IT managers to move virtual machines (and the applications they host) between physical servers, server virtualization gives them a powerful method for reducing planned downtime and speeding recovery. But this level of protection has been a challenge to organizations everywhere. IT managers need availability solutions that are simple, non-disruptive and costeffective so they can extend availability to any virtual machine to ensure business resiliency. | | | |
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