Step 1: Remove everything from the interior. To manually defrost, you need to clean out the interior of your refrigerator and freezer entirely. Keep items that need to stay chilled in a cooler with ice. Step 2: Circulate warm air. Open both doors and allow the warmer, room-temperature air to flow into the freezer and refrigerator to begin the defrosting process.
Authentication and access control attacks. Common attacks against access control are dictionary attacks, brute force attacks and spoofed logon screens. These are programs with built in dictionaries. They would use all dictionary words to attempt and find the correct password, in the hope that a user would have used a standard dictionary word.
ActiveX is (was) an outgrowth of two other Microsoft technologies, object linking and embedding and the component object model. ActiveX controls refer to a specific way of implementing those technologies. A limitation of the ActiveX control is that it can only run under Windows. ActiveX controls can also expose a system to viruses and malware because they create an opening that can allow these malicious programs to be installed.