You are removing all of the built in security when you jailbreak your iPhone so be sure to acquire some security apps from various sites and keep them up to date. If you are on 15.4.1 I don't believe any jailbreaks are currently available and I'm not sure that even when they are they will fix your problem with 3rd party non-MFi cables. More @Wikipedia
Get the latest news about Iphone, Jailbreak from the top news sites, aggregators and blogs. Also included are videos, photos, and websites related to Iphone, Jailbreak.
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.