inexperienced

Two dozen current and former workers, many of them safety coordinators who helped oversee construction, described in interviews a worksite with many inexperienced immigrant laborers, often lax safety standards and frequent accidents.

The 70-page report found that firefighters were hampered by poor communication, inexperienced leadership, a lack of resources and an ineffective process for recalling them back to work.

Gray surrounded himself with what journalist Jack Anderson called “sharp, but inexperienced, modish, young aides.”

As well as surgical errors, she was found to have had poor insight into her own levels of competence, partly through being inexperienced, and that she had failed to seek help from more senior colleagues.

It's not known who the hackers or hacker are but they appear to be a new and possibly inexperienced group.