Network Access CHAPTER 7 103 they are not recognized by sight. This is not a very secure manner of controlling access to buildings as it is not a very complicated process to fabricate a false identification card. All a potential intruder would need to know is the name of someone who is likely to be on the list and fabricate an ID to match. Access logs require anyone entering a secure area to sign in before entering. When visitors require entry, such as when consultants or vendor support staff need to perform work in a secure room, an employee of the firm must sign the person in. In doing so, the employee vouches for the credibility of the visitor, and takes responsibility for this person's actions. The access log also serves as a record of who entered certain areas of a building. Entries in the log can show the name of a visitor, the time this person entered and left a location, who signed them in, and the stated purpose of the visit. Hardware locks One of the easiest methods of securing equipment is the simplest: Keep it behind a locked door. There are a variety of different locks that can be used. Some locks require metal keys to open them, much like those used to unlock the front door of a home. Other types may be programmed and have keypads requiring a PIN