Apparently, the MATLAB answer is in your question as on 4 Aug 2021:

https://www.mathworks.com/matlabcentral/answers/892057-how-to-get-cyber-attack-models-blocks-such-as-dos-attack-man-in-the-middle-attack-in-matlab-simulin

cite:

... check the SimEvents package, it is designed to simulate communication and event structures ...

... cyber attacks can be modeled as packet loss, or sudden surge in throughput ...

Hi,

I suggest you see the links on the topic.

https://www.sciencedirect.com/science/article/abs/pii/S0016003218304125

Article Man‐in‐the‐middle attacks and defence in a power system cybe...

https://ufsj.edu.br/portal2-repositorio/File/ppgel/271-2021-05-27-DissertacaoPauloPessim.pdf

https://arxiv.org/pdf/1909.05522.pdf

https://encyclopedia.pub/entry/history/compare_revision/55953/-1

https://par.nsf.gov/servlets/purl/10182299

Article Denial of Service Attacks on Network-Based Control Systems: ...

Article Observer-Based Event-Triggered Predictive Control for Networ...

Best regards

Dear Dr. Lafifi,

Many thanks for your reply.

Best Regards