Regarding the legitimacy of CFS forex brokers, it provides FCA and WikiBit, (also has a graphic survey regarding security).
Is CFS safe?
Rating Index
Business
License
FCA Exceeded 
Is CFS markets regulated?
The regulatory license is the strongest proof.
FCA Investment Advisory License
Financial Conduct Authority
Financial Conduct Authority
Current Status:
ExceededLicense Type:
Investment Advisory License
Licensed Entity:
CFS Management Ltd
Effective Date:
2001-12-01Email Address of Licensed Institution:
corporate@cfsm.co.uk53748:
No SharingWebsite of Licensed Institution:
https://www.cfsm.co.ukExpiration Time:
--Address of Licensed Institution:
55 Riding House Street London W1W 7EEW 1 W 7 E E UNITED KINGDOMPhone Number of Licensed Institution:
+44 2036330323Licensed Institution Certified Documents:
CFS Similar Brokers Safe
Whether it is a legitimate broker to see if the market is regulated; start investing in Forex App whether it is safe or a scam, check whether there is a license.
CFS latest industry rating score is 1.83, the higher the score the safer it is out of 10, the more regulatory licenses the more legitimate it is. 1.83 If the score is too low, there is a risk of being scammed, please pay attention to the choice to avoid.