Methods for protecting CPU during DDoS attack and devices thereof

A non-transitory computer readable medium having stored thereon instructions for protecting a CPU during a DDOS attack comprising executable code which when executed by one or more processors, causes the processors to:

• monitor network traffic data from a plurality of client devices;
• classify each of the plurality of client devices as a valid client device or a potential attacker device based on the monitoring;
• in response to the classification of portion of the plurality of client devices as the potential attacker, determine when CPU utilization associated with the monitored network traffic from the portion of the plurality of client devices classified as the potential attacker of a network traffic manager apparatus is greater than a stored threshold value;
• and
• perform one or more network actions on the portion of plurality of client devices classified as the potential attacker to protect the CPU when the determination indicates the CPU utilization is greater than the stored threshold value.

A network traffic manager apparatus, comprising memory comprising programmed instructions stored in the memory and one or more processors configured to be capable of executing the programmed instructions stored in the memory to:

• monitor network traffic data from a plurality of client devices;
• classify each of the plurality of client devices as a valid client device or a potential attacker device based on the monitoring;
• in response to the classification of portion of the plurality of client devices as the potential attacker, determine when CPU utilization associated with the monitored network traffic from the portion of the plurality of client devices classified as the potential attacker of a network traffic manager apparatus is greater than a stored threshold value;
• and
• perform one or more network actions on the portion of plurality of client devices classified as the potential attacker to protect the CPU when the determination indicates the CPU utilization is greater than the stored threshold value.

A network traffic management system, comprising memory comprising programmed instructions stored thereon and one or more processors configured to be capable of executing the stored programmed instructions to:

• monitor network traffic data from a plurality of client devices;
• classify each of the plurality of client devices as a valid client device or a potential attacker device based on the monitoring;
• in response to the classification of portion of the plurality of client devices as the potential attacker, determine when CPU utilization associated with the monitored network traffic from the portion of the plurality of client devices classified as the potential attacker of a network traffic manager apparatus is greater than a stored threshold value;
• and
• perform one or more network actions on the portion of plurality of client devices classified as the potential attacker to protect the CPU when the determination indicates the CPU utilization is greater than the stored threshold value.