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.
1 Network management security:  Secure shell for telnet and command-line interface (CLI): Secure shell (SSH) provides encrypted data when ProCurve Manager Plus 2.0 is accessing a device via telnet and CLI. This helps ensure that changes to network devices are safe from tampering by hackers.