Information Security Resources

Entries Tagged ‘Physical Security’

Physical Security for Power Supply

There are many possible physical security threats associated with electrical power supply. A few examples, and ones you may already be familiar with, include : Blackout:  a complete loss of power. Sag or Brownout:  a decrease in voltage levels, usually of short duration but may last anywhere from fractions of a second to hours. Surge: […]

Leave a Comment

Physical Security – Choosing the right facility

Many factors should be considered when choosing the best facility for hosting computer equipment. Some of these factors include: Local Crime: Is the site a prime area for criminal activities? Natural Hazards: Does the location have a high occurrence of flooding, earthquakes, thunderstorms, or other natural hazards? Power Supply: Is there a stable power supply […]

Leave a Comment

Physical Security Threats and Controls

Physical security is the lifeblood of all security controls. If physical security is compromised, all other controls are irrelevant. Why? Think about it. If someone manages to get into your server, physically accessing your computers, he or she can cause serious damage. Some examples of damage possible can include: removing the hard drives from your […]

Comments (3)

Firewall cannot deal with internal network attack

Firewall is a perimeter security device. A perimeter security device is only good at protecting the internal network from external attack. That means if an intrusion originates from internal network, then firewall cannot deal with it. Statistics shows that most of the network attacks of an organization comes from internal employee and hence most likely […]

Comments (3)