A number of preventative strategies are being developed in response to the significance of the DDoS problem and the increase in the speed, competence, and power of attacks. Every recommended precaution has unique advantages and disadvantages that set it against the others. The several defenses against prospective DDoS attacks that were proposed in the literature are categorized in this research, along with the benefits and drawbacks of each defense. It is advisable to take into account that the cost impact caused by assaults places a limit on the amount of maximal continuous DoS assaults in each of the S-C and the C-A channels. DoS assaults can occur in the communications among the controller and actuators as well as among the sensor and controller in the current research on distributed denial of service (DoS) assaults in cyber-systems. Next, an effective security control method is created to thwart two-channel denial-of-service assaults. This method makes full use of the hardware to ensure that the control signals are frequently recorded throughout every time interval. Simultaneously created is a safety controller that incorporates current and future control inputs. The addressing CPS can withstand two-channel DoS assaults without losing control efficacy if the safety controller and safety control approach are suitable. Not to mention, experiments and simulations are offered to demonstrate the practicality of the recommended active safety monitoring strategy.