iPhone Security Audit & Breach Investigation

I've been experiencing some unusual activity on my iPhone lately. There are suspicious apps appearing that I haven't downloaded, and my battery seems to be draining more quickly than normal. I need an expert to investigate this potential security breach on my device and create a concise audit report summarizing your findings.

Ideal Skills and Experience:
- Proficient in Apple device security
- Experience with security audits and breach investigations
- Excellent report writing skills
- Ability to identify and explain unusual device activity and suspicious apps
- Knowledge of potential security risks impacting device battery life.