Internet Security
Delhi Police Exam
1. What is Internet Security?
Internet Security refers to the practices and tools used to protect computers, networks, and data while using the internet. It ensures that your personal information, devices, and online activities remain safe from cyber threats.
Exam-Focused Definition: Internet security protects against unauthorized access, malware, phishing, and other cyber attacks.
2. Importance of Strong Passwords
A strong password is the first line of defense for your online accounts.
Characteristics of a Strong Password:
At least 8–12 characters
Combination of uppercase, lowercase, numbers, and special symbols
Avoid common words or sequences (e.g., 123456, password)
Use unique passwords for different accounts
Trick to Remember: Long + Complex + Unique = Strong Password
3. Safe Browsing Practices
Check URLs: Ensure websites use HTTPS
Avoid suspicious links or pop-ups
Do not download files from untrusted sources
Use updated browsers and antivirus software
Clear cache and cookies regularly
Enable two-factor authentication wherever possible
Exam Trick: Safe browsing = "Think before you click!"
4. Delhi Police PYQ Style Questions
Which of the following is a characteristic of a strong password?
Options: (a) 123456 (b) Abc@2025! (c) password (d) admin
View Answer
Abc@2025!
HTTPS in a website URL indicates:
Options: (a) Unsafe connection (b) Encrypted and secure connection (c) Free browsing (d) Website under maintenance
View Answer
Encrypted and secure connection
Which practice is not recommended for safe browsing?
Options: (a) Clicking suspicious links (b) Using updated browsers (c) Avoiding public Wi-Fi for sensitive transactions (d) Enabling 2FA
View Answer
Clicking suspicious links
Two-factor authentication (2FA) is used to:
Options: (a) Speed up internet (b) Add extra security layer (c) Install software (d) Encrypt hard drive
View Answer
Add extra security layer
Which of the following is considered unsafe?
Options: (a) Downloading files from official sites (b) Using unknown email attachments (c) Regular antivirus updates (d) Enabling firewall
View Answer
Using unknown email attachments
Short Answer Task
Question:
Write 5 safe browsing tips in 50 words or less and explain why strong passwords are essential for online security.
Sample Answer:
Safe browsing tips: Use HTTPS websites, avoid suspicious links, don't download from untrusted sources, update software regularly, enable 2FA. Strong passwords are essential as they prevent unauthorized access, protect personal data, and serve as the first defense against cyber attacks and identity theft.
5. Quick Recap / Memory Tricks
| Concept | Trick to Remember |
|---|---|
| Strong Password | "Long + Complex + Unique" |
| HTTPS | "S = Secure" |
| Safe Browsing | "Think before you click" |
| Two-Factor Authentication | "Extra lock for accounts" |
Exam Tip: In Delhi Police exams, MCQs usually ask password rules, safe browsing practices, HTTPS meaning, and 2FA purpose. Memorizing the table helps cover most questions.
Practical Assignment
Task: Security Self-Assessment
Conduct a personal internet security audit and implement security improvements.
Check if your important accounts have strong passwords
Enable two-factor authentication on email and social media accounts
Verify that your browser shows HTTPS on websites you visit
Update your antivirus software and browser to latest versions
Create a list of 5 security improvements you implemented
You've completed Internet Security!
Courage Tip: Internet security is not just for exams but essential for daily digital life. Remember that strong passwords, safe browsing habits, and security features like HTTPS and 2FA work together to protect your online presence. Regular security audits and staying updated with best practices will help you stay protected both in exams and real-world scenarios. These concepts are frequently tested in Delhi Police computer awareness sections.
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