Adverb
In an insecure manner.
Source: Webster's dictionaryour positions here at the university are rather insecurely supported by grant money Source: Internet
she always acts very insecurely in the presence of her father Source: Internet
But that doesn’t tell you was loaded insecurely. Source: Internet
Tom-Skype regularly scans text chat messages for politically sensitive keywords, and stores them insecurely, according to a study by researchers in Canada. Source: Internet