IT security services provide a range of goods and services aimed at protecting computer networks, systems, and data from unauthorized access, theft, damage, or other forms of cybersecurity threats. Some of the common goods and services provided by IT security services include:

1. Vulnerability assessment and penetration testing: This involves testing computer networks and systems to identify weaknesses and vulnerabilities that could be exploited by attackers.

2. Firewall and intrusion prevention systems: These are hardware and software solutions that help prevent unauthorized access to computer networks and systems.

3. Antivirus and anti-malware software: These are software programs that help detect and remove viruses and other types of malware from computer systems.

4. Data encryption and secure communications: This involves encrypting data to make it unreadable to unauthorized users, and using secure communication channels to prevent interception of sensitive information.

5. Security incident and event management: This involves monitoring computer networks and systems for security breaches and responding to them appropriately.

6. Security consulting and training: IT security services also offer consulting services to help organizations develop security policies and procedures, and provide training to employees on how to identify and respond to cybersecurity threats.

7. Cloud security: With more organizations moving their data and applications to the cloud, IT security services also provide cloud security solutions to protect cloud-based systems and data.

These are just some of the goods and services provided by IT security services, and the exact offerings may vary depending on the specific needs of the organization.