Help to protect my phones and laptops from one with strong tools hurt me

I am seeking assistance in protecting my phones and laptops from potential harm caused by individuals with strong hacking tools.

Skills and Experience:
- Proficiency in cybersecurity protection, including antivirus software and firewalls
- Knowledge and experience in providing cybersecurity solutions for both phones and laptops
- Ability to explain and implement cybersecurity measures in a beginner-friendly manner