CompTIA IT Fundamentals (ITF+)
1 Introduction to IT
1-1 Overview of IT
1-2 IT Careers and Job Roles
1-3 IT Certifications
2 Hardware
2-1 Components of a Computer System
2-2 Peripheral Devices
2-3 Storage Devices
2-4 Input and Output Devices
2-5 Power Supplies and Cooling Systems
3 Networking
3-1 Networking Concepts
3-2 Network Types
3-3 Network Components
3-4 Network Configuration
3-5 Network Security
4 Mobile Devices
4-1 Mobile Device Types
4-2 Mobile Device Connectivity
4-3 Mobile Device Management
4-4 Mobile Device Security
5 Hardware and Network Troubleshooting
5-1 Troubleshooting Methodology
5-2 Common Hardware Issues
5-3 Common Network Issues
5-4 Troubleshooting Tools
6 Operating Systems
6-1 Operating System Functions
6-2 Windows Operating Systems
6-3 macOS Operating Systems
6-4 Linux Operating Systems
6-5 Mobile Operating Systems
7 Software Troubleshooting
7-1 Troubleshooting Methodology
7-2 Common Software Issues
7-3 Troubleshooting Tools
8 Security
8-1 Security Concepts
8-2 Threats and Vulnerabilities
8-3 Security Best Practices
8-4 Security Tools and Technologies
9 Operational Procedures
9-1 IT Documentation
9-2 Change Management
9-3 Disaster Recovery
9-4 Safety Procedures
9-5 Environmental Controls
10 Software
10-1 Types of Software
10-2 Software Licensing
10-3 Software Installation and Configuration
10-4 Software Updates and Patches
11 Database Fundamentals
11-1 Database Concepts
11-2 Database Management Systems
11-3 Data Storage and Retrieval
12 Security Best Practices
12-1 User Authentication
12-2 Data Protection
12-3 Network Security Best Practices
12-4 Physical Security
13 Cloud Computing
13-1 Cloud Concepts
13-2 Cloud Service Models
13-3 Cloud Deployment Models
13-4 Cloud Security
14 Virtualization
14-1 Virtualization Concepts
14-2 Virtualization Technologies
14-3 Virtualization Benefits
15 IT Support
15-1 Customer Service Skills
15-2 IT Support Tools
15-3 Troubleshooting Techniques
15-4 Communication Skills
16 Emerging Technologies
16-1 Internet of Things (IoT)
16-2 Artificial Intelligence (AI)
16-3 Blockchain
16-4 Augmented Reality (AR) and Virtual Reality (VR)
12 Security Best Practices Explained

12 Security Best Practices Explained

1. Use Strong Passwords

Using strong passwords involves creating complex combinations of letters, numbers, and special characters to protect accounts from unauthorized access. Strong passwords should be at least 12 characters long and avoid common words or phrases.

Example: Think of a strong password as a fortress. Just as a fortress with multiple layers of defense is harder to breach, a strong password with various characters is harder to crack.

2. Enable Two-Factor Authentication (2FA)

Two-Factor Authentication (2FA) adds an extra layer of security by requiring two forms of verification before granting access. This typically includes something you know (password) and something you have (like a phone or security token).

Example: Consider 2FA as a double-lock on a door. Just as a double-lock requires two keys to open, 2FA requires two forms of verification to access an account.

3. Regularly Update Software

Regularly updating software ensures that security vulnerabilities are patched, and new features are added. Keeping software up-to-date helps protect against known threats and improves overall system performance.

Example: Think of software updates as maintaining a car. Just as regular maintenance keeps a car running smoothly and safely, regular updates keep software secure and functional.

4. Use Antivirus and Anti-Malware Software

Antivirus and anti-malware software detect, prevent, and remove malicious programs from your computer. These tools are essential for protecting against viruses, spyware, ransomware, and other threats.

Example: Consider antivirus software as a security guard. Just as a security guard protects a building from intruders, antivirus software protects your computer from malware.

5. Backup Data Regularly

Regularly backing up data ensures that important information can be restored in case of data loss, corruption, or cyber-attacks. Backups should be stored in multiple locations, including offline and cloud storage.

Example: Think of data backups as insurance. Just as insurance protects you from financial loss, backups protect your data from loss or corruption.

6. Secure Wi-Fi Networks

Securing Wi-Fi networks involves using strong passwords, enabling encryption (like WPA3), and disabling remote management. These measures prevent unauthorized access and protect data transmitted over the network.

Example: Consider a secure Wi-Fi network as a locked gate. Just as a locked gate prevents unauthorized entry, secure Wi-Fi settings prevent unauthorized access to your network.

7. Be Cautious with Email and Links

Being cautious with email and links involves verifying the sender's identity, avoiding suspicious attachments, and not clicking on unknown links. Phishing attacks often use deceptive emails to gain access to sensitive information.

Example: Think of email caution as reading a map carefully. Just as you verify directions to avoid getting lost, you verify emails to avoid falling for phishing scams.

8. Limit Physical Access to Devices

Limiting physical access to devices involves securing computers, servers, and other hardware with locks, passwords, and biometric authentication. Physical security prevents unauthorized individuals from tampering with or stealing devices.

Example: Consider physical access control as a locked room. Just as a locked room prevents unauthorized entry, physical security measures prevent unauthorized access to devices.

9. Use Firewalls

Firewalls act as a barrier between trusted and untrusted networks, monitoring and controlling incoming and outgoing network traffic based on predetermined security rules. Firewalls help protect against unauthorized access and cyber-attacks.

Example: Think of a firewall as a bouncer at a club. Just as a bouncer controls who enters a club, a firewall controls network traffic to protect your system.

10. Educate Users on Security Practices

Educating users on security practices involves training employees and users about safe computing habits, recognizing phishing attempts, and following security protocols. User awareness is crucial for preventing security breaches.

Example: Consider user education as teaching road safety. Just as knowing road safety rules prevents accidents, knowing security practices prevents cyber-attacks.

11. Implement Access Controls

Implementing access controls involves defining who can access specific resources and what actions they can perform. Access controls help ensure that only authorized users can access sensitive information and systems.

Example: Think of access controls as a keycard system. Just as a keycard grants access to certain areas of a building, access controls grant access to specific resources based on user roles.

12. Monitor and Audit Systems Regularly

Monitoring and auditing systems regularly involves tracking system activities, detecting anomalies, and reviewing logs for suspicious behavior. Regular monitoring helps identify and respond to security threats promptly.

Example: Consider system monitoring as a security camera. Just as a security camera records activities for review, system monitoring tracks activities to detect and respond to threats.