Common usernames and passwords often reflect predictable patterns, making them weak and vulnerable to breaches. Here are some examples:
### Common Usernames:
1. **admin**
2. **user**
3. **guest**
4. **test**
5. **root**
6. **administrator**
7. **info**
8. **support**
9. **username**
10. **first name** (e.g., John, Sarah)
### Common Passwords:
1. **123456**
2. **password**
3. **123456789**
4. **12345678**
5. **12345**
6. **qwerty**
7.