Information technology (IT) security and cybersecurity are the building blocks of any organization’s data protection plan.
Some people use these terms interchangeably. But they are not the same thing.
IT security protects an organization’s data and information systems from unauthorized access. It covers both physical and electronic data. IT security involves processes that prevent misuse, theft, or modification of sensitive information.
Cybersecurity focuses only on protecting information on the internet. It deals with online threats like hackers, malware, and phishing attacks.
You can think of cybersecurity as a part of IT security. The first deals with online protection. The second deals with how an organization handles all data — paper, physical storage, and electronic.
If you want to protect your data properly, you need a solid risk management plan for both IT security and cybersecurity.
What is Information Technology (IT) Security?
IT security means creating measures and implementing them to protect a company’s data. This data can be in different forms — paper documents, hard drives, servers, or cloud storage.
Any organization that handles large amounts of data daily needs systems and processes that keep that information safe.
Example:
Suppose your organization stores credit card information for every customer. You want to protect this data from unauthorized access. So you need a data security framework that gives clear guidelines on how that data should be handled — who can see it, where it can be stored, and how it can be shared.
The scope of IT security is broad. It includes physical security (who can enter a server room), procedural security (how employees handle documents), and technical security (firewalls and encryption).
You can consider IT security the first step toward safeguarding any information from getting into the wrong hands.
What is Information Technology (IT) Security?
IT security means creating measures and implementing them to protect a company’s data. This data can be in different forms like paper documents, hard drives, servers, or cloud storage.
Any organization that handles large amounts of data daily needs systems and processes that keep that information safe.
Example:
Suppose your organization stores credit card information for every customer. You want to protect this data from unauthorized access.
So you require a data security framework that gives clear guidelines on how that data should be handled like who can see it, where it can be stored, and how it can be shared.
The scope of IT security is broad. It includes physical security (who can enter a server room), procedural security (how employees handle documents), and technical security (firewalls and encryption).
You can consider IT security the first step toward safeguarding any information from getting into the wrong hands.
What is Cybersecurity?
Cybersecurity protects an organization’s data from online attacks. As companies rely more on cloud computing, servers, and networks, their data becomes exposed to hackers.
Cybersecurity involves developing and implementing techniques that keep online data safe. This includes:
- Password protection
- Data encryption
- Network monitoring
- Threat detection
- Incident response
Data can fall victim to many types of cyberattacks like ransomware, phishing, denial-of-service attacks, and more. Cybersecurity ensures your business stays safe online.
Creating a cybersecurity plan and putting it into action is essential for any modern business.
Key Differences at a Glance
| Feature | IT Security | Cybersecurity |
| Scope | Broad, covers physical and electronic data | Narrow, covers only online/electronic data |
| Data types protected | Paper documents, hard drives, servers, cloud, networks | Networks, cloud, servers, online databases |
| Main focus | Policies, access control, physical security, compliance | Threat detection, encryption, hacking prevention |
| Where it applies | Inside and outside the organization | Primarily online and network-based |
| Examples of work | Who can enter a server room? How are paper files shredded? | Is our firewall working? Did someone try to hack us? |
| Common job titles | IT security analyst, compliance officer, IT manager | Cybersecurity analyst, penetration tester, security engineer |
The Scope of Data Covered
IT Security Scope (Broad)
IT security takes a wide approach. It covers both physical and electronic data. This includes:
- How files are printed and shared
- How documents are stored (paper and digital)
- Who has physical access to data centers
- How employees handle customer information
- What happens to old hard drives and paper records
Cybersecurity Scope (Narrow)
Cybersecurity only covers electronic data that travels over or is stored on the internet. A cybersecurity plan covers:
- Policies for online data protection
- Processes for detecting cyber threats
- Techniques for preventing hacking attempts
The Approach of Each Field
IT Security Approach
The ultimate goal of IT security is to ensure the confidentiality, availability, and integrity of an organization’s information. It is an overarching approach that covers how all data is collected, shared, and stored — whether on paper, on a laptop, or in the cloud.
IT security asks questions like:
- Who is allowed to see this data?
- Where can this data be stored?
- How long do we keep this data?
- How do we destroy it when we are done?
Cybersecurity Approach
Cybersecurity protects sensitive data from unauthorized access across online networks. The primary approach includes:
- Assessing risks
- Creating a risk management matrix
- Analyzing those risks
- Implementing a plan for protection and risk management
Cybersecurity asks questions like:
- Is our network secure?
- Did anyone try to breach our firewall?
- Are our passwords strong enough?
- Have we been hacked?
Techniques Implemented
IT Security Techniques
IT security focuses on multiple channels that extend beyond cyberspace. It also covers physical access to places where data is secured.
Examples of IT security techniques:
- Determining who can enter a server room or data center
- Setting rules for how customer data is collected
- Training employees on how to handle sensitive documents
- Shredding paper records after they are no longer needed
- Using security badges and biometric scanners for building access
Cybersecurity Techniques
Cybersecurity focuses on preventive and risk management strategies. The techniques here are all digital.
Examples of cybersecurity techniques:
- Password protection and multi-factor authentication
- Data encryption for stored and transmitted data
- Network security (firewalls, intrusion detection systems)
- Regular vulnerability scans and penetration testing
- Security awareness training for phishing attacks
Types of IT Security
IT security controls fall into three main categories: physical, administrative, and technical.
| Control Type | What It Includes | Examples |
| Physical Controls | Stop physical access to facilities and hardware | Security badges, biometric scanners, locks, security guards |
| Administrative Controls | Policies and procedures that guide human behavior | Security awareness training, incident response plans, data handling policies, compliance with laws (GDPR, HIPAA) |
| Technical Controls | Software and hardware that protect data | Firewalls, encryption, multi-factor authentication (MFA), antivirus software |
How Access Control Fits In
Access control (deciding who can access what data or systems) is not a separate control type. It is a security principle achieved through all three types working together.
Example of access control using all three:
- Physical: You need a badge to enter the server room
- Administrative: Company policy says only IT staff can access backups
- Technical: MFA is required to log into the system
Compliance and Procedural Controls
In your original article, you listed “compliance control” and “procedural controls.” These fit under administrative controls:
- Compliance control – Policies that follow laws like GDPR, HIPAA, and CCPA
- Procedural controls – Incident response plans, security awareness training, and security audits
Types of Cybersecurity
Network Security
Network security protects information from misuse, interruption, and unauthorized access. It prevents cyber attackers from getting into your network. Tools include firewalls, intrusion detection systems, and VPNs.
Cloud Security
Cloud security is a mix of policies, controls, technologies, and procedures that keep cloud-based systems and infrastructure secure. This applies to platforms like AWS, Microsoft Azure, and Google Cloud.
Application Security
Application security helps companies prevent hackers from stealing code and data from their apps. This includes finding and fixing vulnerabilities in software before attackers can exploit them.
Example:
Suppose there is an app called “X” that stores your data. Hackers want that data. If you do not find and fix the app’s security holes, hackers will take advantage of them. That is why detecting, fixing, and improving application security is so important.
Critical Infrastructure Security
Critical infrastructure includes a set of tools that offer a wide range of security services. Examples include:
- Anti-malware software
- Virus scanners
- Endpoint detection and response (EDR) tools
Hackers often try to access systems by infecting them with malware and viruses. Critical infrastructure stops them.
Job Roles & Salaries
IT Security Job Roles
| Job Title | Key Responsibilities | Average Salary (US) |
| IT Security Analyst | Monitor systems for breaches, install security software | $75,000–$95,000 |
| Compliance Officer | Ensure the organization follows data protection laws | $70,000–$90,000 |
| IT Manager | Oversee IT operations and security policies | $90,000–$120,000 |
| Security Administrator | Manage user access, firewalls, and security tools | $70,000–$90,000 |
Cybersecurity Job Roles
| Job Title | Key Responsibilities | Average Salary (US) |
| Cybersecurity Analyst | Monitor networks, run audits, respond to threats | $82,000–$105,000 |
| Penetration Tester | Simulate attacks to find security weaknesses | $100,000–$135,000 |
| Network Security Engineer | Maintain firewalls and intrusion detection systems | $95,000–$125,000 |
| Security Consultant | Assess client systems and recommend improvements | $110,000–$145,000 |
| CISO (Chief Information Security Officer) | Lead security strategy and teams | $170,000–$250,000+ |
For a detailed breakdown of IT vs cybersecurity degree programs, including curriculum and job prospects, check out OLLUSA’s comparison guide.
Why Both Are Important for Organizations
Why Cybersecurity Matters
- Cyberattacks impact both individuals and organizations
- Rapid advancement in technology leads to more cyberattacks
- Hackers can damage an organization’s reputation and finances
- Cybersecurity helps create laws and policies that protect organizations
Why IT Security Matters
- Protects the company’s ability to work efficiently
- Secures all types of data — physical and electronic
- Helps businesses save money by preventing breaches and data loss
- Ensures compliance with legal and regulatory requirements
Which One Should You Choose?
Choose IT Security if you:
- Like creating policies and procedures
- Enjoy working with both physical and digital security
- Want a broad role that includes compliance, access control, and training
- Prefer prevention and planning over real-time threat hunting
Choose Cybersecurity if you:
- Enjoy technical, hands-on work like hacking (ethically) and monitoring networks
- Like staying ahead of attackers
- Want to focus purely on online threats
- Prefer using tools like firewalls, encryption, and intrusion detection systems
Choose both if you:
- Want to be a well-rounded security professional
- Aim for leadership roles like CISO
- Want maximum job opportunities
Conclusion
IT security protects all of an organization’s data — physical and electronic. Cybersecurity protects only the online part. Think of cybersecurity as a specialized part of the broader IT security field.
IT security uses three control categories: physical (badges, locks), administrative (policies, training), and technical (firewalls, encryption, MFA).
Cybersecurity focuses on stopping online threats through network, cloud, application, and critical infrastructure security. You need both. IT security without cybersecurity leaves you exposed to hackers.
Cybersecurity without IT security ignores physical risks like stolen hard drives or paper records. Choose IT security for a broad foundation. Choose cybersecurity for a specialized, high-demand role. Better yet, learn both.
Curious how computer science differs from both IT security and cybersecurity? Read our guide: Cybersecurity vs Computer Science.
Frequently Asked Questions
Is cybersecurity part of IT security?
Yes. Cybersecurity is a subset of IT security. IT security covers physical and electronic data. Cybersecurity covers only electronic/online data.
Do I need to know IT security before learning cybersecurity?
It helps. Understanding how data is stored, accessed, and managed makes you a better cybersecurity professional.
Which pays more — IT security or cybersecurity?
Cybersecurity roles often pay slightly more because of the specialized skills required. But senior IT security roles (like IT security manager) can pay just as well.
