Pete Burns has been confirmed dead, according to his manager. Thank you for subscribing! Pete Burns has died unexpectedly of a heart attack, his manager has confirmed. The star who rose to fame in the 80s with pop band Dead or Alive appeared in Celebrity Big Brother 4 in 2006.
In a nutshell, network security involves protecting network devices and the data that they forward. The basic components of a network, which act as the front-line gatekeepers, are the router, the firewall, and the switch. Figure 15.1 shows these core components.
Data security deals with the prevention of data corruption through the use of controlled access mechanisms. Data security makes sure that data is accessed by its intended users, thus ensuring the privacy and protection of personal data. Several technologies are used for ensuring data security. OTFE (on-the-fly-encryption) uses cryptographic techniques for encrypting data on hard drives.