What are the 3 elements of layered security?

3 Important Elements of Layered Security
  • Firewall. A firewall is a physical piece of equipment that sits between the public internet and the internal network/office. …
  • Endpoint Security. Endpoint security is a program installed on computers and servers. …
  • Email Filtering.

What are three IT security Defence in depth strategies?

Elements of defense in depth
  • Network Security Controls. The first line of defense when securing a network is the analysis of network traffic. …
  • Antivirus Software. Antivirus software is critical to protecting against viruses and malware. …
  • Analyzing Data Integrity. …
  • Behavioral Analysis.

What is a defense in depth security strategy?

Defense in Depth (DiD) refers to an information security approach in which a series of security mechanisms and controls are thoughtfully layered throughout a computer network to protect the confidentiality, integrity, and availability of the network and the data within.

What are the layers in defense in depth security model?

Layer 1: Perimeter Defence. Layer 2: Host Protection. Layer 3: Operating Systems and Application Protection. Layer 4: Data/Information Protection.

Which of the following layers of the defense in depth model is responsible for ACLs?

Layer 3, otherwise known as the Network layer, and Layer 4, otherwise known as the Transport layer, are the most common forms of application/network security. In these layers, firewalls and router Access Control Lists (ACLs) can be found.

What is defense in depth examples?

Defense in depth is a straightforward principle: imagine your application is the last component standing and every defensive mechanism protecting you has been destroyed. Now you must protect yourself. For example, if you expect a firewall to protect you, build the system as though the firewall has been compromised.