By Tariq Azad
Citrix Presentation Server permits distant clients to paintings off a community server as though they were not distant. that suggests: awfully speedy entry to info and functions for clients, no 3rd occasion VPN connection, and no latency concerns. All of those gains make Citrix Presentation Server a useful gizmo for expanding entry and productiveness for distant clients. regrettably, those related positive factors make Citrix simply as harmful to the community it is working on. by means of definition, Citrix is granting distant clients direct entry to company servers?..achieving this kind of entry is additionally the holy grail for malicious hackers. To compromise a server working Citrix Presentation Server, a hacker don't need to penetrate a seriously defended company or executive server. they could easily compromise the way more weak computer, distant workplace, or domestic place of work of any machine attached to that server by way of Citrix Presentation Server. All of this makes Citrix Presentation Server a high-value objective for malicious hackers. And even though it is a high-value aim, Citrix Presentation Servers and distant workstations are frequently rather simply hacked, simply because they can be instances deployed through overworked method directors who have not even configured the main easy safety features provided by way of Citrix. ''The challenge, in different phrases, isn't really a scarcity of strategies for securing Citrix cases; the matter is that directors usually are not utilizing them.'' (eWeek, October 2007). In aid of this statement defense researcher Petko D. Petkov, aka ''pdp'', stated in an Oct. four posting that his fresh trying out of Citrix gateways led him to ''tons'' of ''wide-open'' Citrix situations, together with 10 on executive domain names and 4 on army domain names. * the main finished ebook released for method directors offering step by step directions for a safe Citrix Presentation Server. * specified bankruptcy by way of safeguard researcher Petko D. Petkov'aka ''pdp detailing strategies utilized by malicious hackers to compromise Citrix Presentation Servers. * significant other site comprises customized Citrix scripts for directors to put in, configure, and troubleshoot Citrix Presentation Server.
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Example text
The disclosure or alteration of data of this nature would almost certainly lead to real losses to the company, whether in terms of financial loss or reputation. Secret This is the most confidential classification of data and most often extends to intellectual property such as trade secrets, patent information, or upcoming products and ventures. The loss or defacement of secret data would be almost irreparable, since a trade secret that has been disclosed to the public or to competitors cannot simply be made secret again with the wave of a wand.
Com 34 Chapter 1 • Introduction to Security when encrypting messages to be sent to the account (usually a user, but sometimes an application). The account can use the private key to decrypt the message. A second use for this system is to verifiably ensure to the public that a message sent is from the named account. This is called a digital signature. It is sent using the private key from the account, and the public, using the public key, can ensure that the message came from the named account. The CA can be a body independent of your network such as VeriSign or Microsoft.
Explaining Security Technologies There are a variety of methods available to improve the overall security posture of a Citrix XenApp environment, including the following: ■ Using SSL encryption and utilizing digital certificates ■ Using higher encryption algorithms such as TLS, FIPS, and AES ■ Enforcing user information security awareness ■ Establishing well defined information security policies and procedures ■ Implementing multifactor authentication methods utilizing smart cards, tokens, and biometrics If implementing just a single security technology will improve the overall state of your information security posture, then the proper implementation of several security technologies will enhance it that much more.