As the evolution of wireless communication progresses towards 6G networks, extreme bandwidth communication (EBC) emerges as a key enabler to meet the ambitious key performance indicator set for this next-generation technology. 6G aims for peak data rates of 1 Tb/s, peak spectral efficiency of 60 b/s/Hz, maximum bandwidth of 100 GHz, and mobility support up to 1000 km/h, while maintaining a high level of security. The capability of 6G to manage enormous data volumes introduces heightened security vulnerabilities, such as jamming attacks, highlighting the critical need for in-depth research into jamming in EBC. Understanding these attacks is vital for developing robust countermeasures, ensuring 6G networks can maintain their integrity and reliability amidst these advanced threats. Recognizing the paramount importance of security in 6G applications, this survey paper explores prevalent jamming attacks and the corresponding countermeasures in EBC technologies such as millimeter wave, terahertz, free-space optical, and visible light communications. By comprehensively reviewing the literature on jamming in EBC, this survey paper aims to provide a valuable resource for researchers, engineers, and policymakers involved in the development and deployment of 6G networks. Understanding the nuances of jamming in different EBC technologies is essential for devising robust security mechanisms and ensuring the success of 6G communication systems in the face of emerging threats.

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