CYBER HUB

Cybersecurity Content | SOC | Ethical Hacking | Pentesting + Blue Team🛡️

[CYBER HUB @SOCDefender]

IF YOU SEE IN ALERT, THINK OF MITRE TECHNIQUE

[Justine Moore @venturetwins]

Me using Claude Opus 4.8 to rename a file

[Cyber_Racheal @CyberRacheal]

🫣

[CYBER HUB @SOCDefender]

ROUTER vs SWITCH vs FIREWALL

[CYBER HUB @SOCDefender]

𝗗𝗼𝘄𝗻𝗹𝗼𝗮𝗱 𝗙𝗿𝗲𝗲 𝗔𝗜 𝗦𝗢𝗖 𝘃𝘀 𝗧𝗿𝗮𝗱𝗶𝘁𝗶𝗼𝗻𝗮𝗹 𝗦𝗢𝗖 𝗚𝘂𝗶𝗱𝗲 - > https://t.co/dlmjOWFVOS

[CYBER HUB @SOCDefender]

PROTOCOLS OF NETWORK

[CYBER HUB @SOCDefender]

@heyyyyyieeee More people + fewer drivers = higher price.
Uber doesn’t increase price… demand does.

[CYBER HUB @SOCDefender]

it’s not checking millions one by one—it’s doing a direct indexed lookup on distributed + cached data

[Tanuj @tanujDE3180]

Interviewer:

You type a Gmail username and UI instantly shows "Username already taken"

There are millions of users globally
How does it check so fast?

[CYBER HUB @SOCDefender]

Round Robin → requests go one-by-one to each server

Least Connections → sends to server with fewer active users

IP Hash → same user → same server (session consistency)

Weighted → powerful servers get more traffic

[Shivii @heyyyyyieeee]

Interviewer:
How load balancer decides which server to send traffic??

[Shivii @heyyyyyieeee]

Interviewer:
How load balancer decides which server to send traffic??

[CYBER HUB @SOCDefender]

Networking commands for Windows

[CYBER HUB @SOCDefender]

SQL cheat sheet - Every JOIN explained:

[CYBER HUB @SOCDefender]

What is your favourites kali tools?

[CYBER HUB @SOCDefender]

Docker - what’s really happening !

- Dockerfile → Define app
- Build → Create image
- Image → Immutable blueprint
- Run → Start container
- Container → Isolated runtime
- Registry → Store/share images
- Volume → Persist data
- Network → Connect containers

[CYBER HUB @SOCDefender]

Linux command

[CYBER HUB @SOCDefender]

What is a VLAN

[CYBER HUB @SOCDefender]

✅ Digital Signatures

👉
Non-repudiation = sender cannot deny they sent the message.

Digital signatures =provide identity + proof of origin + integrity

Passwords = only authentication

VPN =secure channel, not proof of sender

Encryption = confidentiality

[Cyber_Racheal @CyberRacheal]

Which of these techniques will ensure the property of 'non-repudiation'?

A. Passwords

B. Digital signatures

C. Using a VPN

D. Encryption

[CYBER HUB @SOCDefender]

Subnetting cheat sheet