IT programmer installs server firewalls

it programmer setting up high tech facility firewalls intrusion detection systems security updates cybersecurity supervisor preventing hacking malware denial of service attacks electronics african american server data center technology database maintenance engineer technician admin backup firewall denial of service attack ddos cybercriminal malicious traffic audit rootkit secure threats unauthorized access vulnerabilities safe hacker privacy safety encryption protect access virus cloud software private antivirus defense ransomware cyber attack spyware protection safeguard phishing