What is a risk register? A risk register is a document that acts as a repository of all identified risks. It also contains additional information about each risk, e.g. the category of the risk, name and a brief description of the risk, probability that the risk can...
What is Network Access Control (NAC)? When a device tries to access a network, the device must comply with the security policy of the organization. For example, a device with outdated anti-malware software should not be able to access the network. If such a device...
What is a Captive Portal? Sometimes when we try to access public Wi-Fi in a restaurant, mall, or hotel, we are redirected to a web page that requests login credentials or requests us to accept Terms and Conditions. This type of web page is called a captive portal. A...
A BPDU or Bridge Protocol Data Unit is a frame that is exchanged between switches in an extended LAN that uses Spanning Tree Protocol (STP) topology. These BPDU frames are exchanged to prevent layer 2 loops and broadcast storms. And, BPDU guard is a security feature...
When two or more parties work together, many issues may arise. So, the involved parties need to sign some agreements or contracts so that if any issue arises, the issue can be resolved accordingly. SLA or Service Level Agreement, MOU or Memorandum Of Understanding,...
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