GUIDELINES FOR SECURE PASSWORDS Password என்பது user account-ஐ unauthorized access-இலிருந்து protect செய்……
GUIDELINES FOR SECURE PASSWORDS
A secure password is a strong and unique authentication secret that is difficult for attackers to guess, predict, or reuse from another compromised account. தமிழில்: Attacker எளிதாக guess செய்ய முடியாத, மற்ற account-களில் reuse செய்யப்படாத…
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Definition
A secure password is a strong and unique authentication secret that is difficult for attackers to guess, pred……
Simple Explanation
Weak password: 123456 இந்த password: மிகவும் common Guess செய்ய easy Automated attacks-ல் quickly tr……
Explanation
Why password security is important
Weak password காரணமாக attacker: Email account access செய்யலாம் Social media account takeover செய்யலாம் Bankin……
Explanation
Guideline 1 - use long passwords
Password length மிகவும் முக்கியம். Short password-ஐ compare செய்தால் longer passwor……
Definition
பல unrelated words-ஐ combine ……
Explanation
Example
Coffee River Window Train Passphrase: Remember செ……
Explanation
Guideline 2 - use unique password for each account
ஒரே password-ஐ எல்லா websites-க்கும் பயன்படுத்தக்கூடாது. Wrong Gmail → SamePassword Facebook → SamePassword B……
Explanation
Guideline 3 - avoid personal information
Password-ல் easily known personal information avoid செய்ய வேண்டும். Avoid: Name Date of birth ……
Explanation
Guideline 4 - avoid common passwords
Avoid passwords such as: 123456 password qwerty ad……
Explanation
Guideline 5 - do not use predictable patterns
Avoid: abcd1234 password123 admin123 qwerty123 மேலும……
Explanation
Guideline 6 - use a password manager
பல unique passwords நினைவில் வைத்திருக்க difficult. இதற்கு: Password Manager பயன்படுத்தலாம். Password manager……
Flow
Password manager flow
User ↓ Master Password ↓ Password Manag……
Explanation
Guideline 7 - enable mfa
MFA = Multi-Factor Authentication Password மட்டும் அல்லாமல் additional authentication f……
Real Life Example
2fa example
Step 1 Password ↓ Step 2 Seco……
Important
Password + another independen……
Explanation
Guideline 8 - never share passwords
Password confidential. Password-ஐ: Friends Colleagues Unknown callers Messa……
Explanation
Guideline 9 - beware of phishing
Strong password இருந்தாலும் fake website-ல் enter செய்தால் attacker password steal செய்யலாம். Fake Bank Messa……
Explanation
Guideline 10 - change compromised passwords
Password breach அல்லது compromise ஆனது தெரிந்தால்: Compromised Password ↓ Change Imme……
Important
Important modern point
Password-ஐ fixed period-க்கு அடிக்கடி மாற்றுவது மட்டும் security gua……
Explanation
Guideline 11 - do not store passwords in plain text
Password-ஐ unsafe places-ல் store செய்ய avoid செய்ய வேண்டும். Examples: passwords.txt அ……
Explanation
Guideline 12 - do not reuse old passwords
Old compromised password-ஐ மீண்டும் பயன்படுத்துவது avoid செய……
Explanation
Guideline 13 - use randomness
Password predictable sentence அல்லது personal pattern மட்டும் இல்லாமல் random/unrelate……
Explanation
Guideline 14 - protect recovery options
Account password reset mechanism-ஐயும் secure செய்ய வேண்டும். Protect: Recovery……
Explanation
Guideline 15 - log out from shared devices
Public/shared computer பயன்படுத்தினால்: Password ……
Explanation
Strong password characteristics
Strong password-ன் important characteristics: Long Unique Unpredictable Not reused Not personal Protected wit……
Explanation
Password attacks
Secure passwords mainly கீழ்கண்ட attacks-க்கு resistance improve செய்ய உத……
Explanation
Brute-force attack
Attacker many password combinations automatically try செய்வது. ……
Explanation
Dictionary attack
Common words/password lists பயன்படுத்தி password guess செய்வது. pas……
Explanation
Credential stuffing
ஒரு service-ல் leaked username/password pair-ஐ மற்ற services-ல் attacker try செய்வது. Websi……
Explanation
Password spraying
ஒரே common password-ஐ பல acco……
Concept
Password123 ↓ User A User B User C User D [PASSWORD MANAGER vs PASSWORD REUSE] With……
Explanation
Authentication factors
Password belongs to: Something You Know Other factors: Pass……
Common Mistake
Common error
Wrong Complex-looking passwor……
Explanation
Example
Password@123 இது complex appearance இருந்தா……
Common Mistake
Common error
Wrong Same strong password எல்லா accounts-க்கும் ப……
Common Mistake
Common error
Wrong Password மட்டும் போதுமான security. Corr……
Common Mistake
Common error
Wrong Password-ஐ யாரிடமும் சொல்லலாம்; OTP மட்டும் secret……
Memory Trick
Secure password rules நினைவில் வைக்க: L U N M P ……
Explanation
Another memory
NEVER N - Never reuse E - Enable MFA V - Verify……
TRB Point
TRB / NET / SET examination-க்கு முக்கியமான points: Password Authentication credential. Password Factor Somet……
Interview Point
Question
What are the guidelines for creating a secure password? Answer A secure password should be long, unique for e……
MCQ
Which is the best password pr……
MCQ
Password belongs to which aut……
MCQ
Which feature is important fo……
MCQ
Using leaked credentials on a……
MCQ
Trying many password combinat……
MCQ
Which tool helps manage many ……
MCQ
Which should normally be avoi……
MCQ
MFA provides:…
MCQ
A dictionary attack typically……
MCQ
If a password is known to be ……
Practice
Define a secure password. Why is password length important? What is a passphrase? Why should passwords be uni……
Summary
SECURE PASSWORD | ----------------------- | | ……
Summary
1. Use long passwords/passphrases 2. Use a unique password for every account 3. Avoid personal information 4.……
Explanation
Short description
Secure password guidelines recommend using long, unique and hard-to-guess passwords or passphrases, avoiding ……
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