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little or no concern for security. A number of these services predate the modern Internet environment with its constant security threats, whereas others were intended to rely on other security features (such as firewalls)

17:

Process tracking. Logs an event for each program or process that a user launches while accessing a system. Administrators can use this information to track the details of a user s activities while he or she is accessing a system. System events. Logs designated system events, such as when a user restarts or shuts down a computer.

For each of these categories, determine whether you want to log Success, Failure, or both Success and Failure for the events they represent. Then configure the object that you want to monitor so that the policy and the object are linked. For example, to audit file and folder access, first mark the activities (Success, Failure, or both) that you want to track under Object Access. Then, for each of the files and folders that you want audited, configure the SACLs that enable auditing. To enable auditing of file or folder access 1. Right-click the file or folder, and then click Properties. 2. On the Security tab, click the Advanced button. 3. On the Advanced Security Settings for Shared Documents page, click the Auditing tab. The Auditing tab is shown in Figure 17-9.

provided by the network administrator. When installed and configured by default, these protocols provide no security whatsoever or have security settings turned down or disabled completely. One example of such a protocol is Simple Network Management Protocol (SNMP). SNMP provides the capability to both query and manage a vast array of configuration settings on network devices such as computers and routers, and it does not provide a facility for logon authorization. It simply specifies community names, so any computer in a specified community can perform SNMP tasks on other systems in that community. SNMP traffic can be blocked by host name or IP, but this feature is also disabled by default. Also, many devices and applications, such as residential gateways, network-enabled printers, and even Microsoft SQL Server 2000, provide default administrator accounts with standard or blank passwords that provide full control over those devices or programs.

Figure 17-9

4. Click the Add button, and then select the users or groups whose activity you want to monitor. 5. For each entry, determine whether you want to track successes or failures or both.

Part III:

default configurations transmit all data across the network as clear text, meaning that no encryption is used to protect the data from being intercepted and read by an unauthorized third party. One example of such a protocol is Telnet. When making a Telnet connection, all data, including your user name and password, is transmitted in the clear. HTTP, the communications protocol used by Web browsers and Web servers, also transmits all information in the clear by default, although an encrypted version of the protocol, Secure Hypertext Transfer Protocol (HTTPS) is available. Clear-text information can be intercepted in a number of ways. Because most modern networks use a shared broadcast medium for communication, a hacker normally only needs to take over some kind of device on that network, install an application known as a packet sniffer to listen to all traffic on the network, and then scavenge for user name and password pairs. In fact, in a worst-case scenario, that same hacker might be able to scavenge even more critical information, such as credit card numbers, personal identification data, or proprietary company data.

Microsoft Visual C# 2008 Express Edition: Build a Program Now!