Hack Her News

🛡️ Cybersecurity pro with a passion for securing the unseen.

[Hack Her News @ForumSecure]

🚨 Hack Her News Episode 1 is live🚨
I’m on a mission to show women that cybersecurity is for us, too 💪🏾💻 From UK to worldwide topics, this podcast breaks down how cyber impacts everyday life. It’s time to open eyes, empower women, &—it’s for ALL of us! https://t.co/pJWz5UuI53

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30.Router vs Switch: Router links networks; switch links devices.
31.RMF: Steps to manage and check security controls.
32.Packet same network: Uses MAC addresses through switches.
33.TCP vs UDP: TCP is reliable; UDP is faster.
34.TCP handshake: SYN, SYN-ACK, ACK to conn

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Before a computer network interview read this 🧵

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25.Traceroute: Shows the path packets take.
26.Find issue: Follow packet path to spot the problem.
https://t.co/napCltnHlx ASA config: Set rules to allow or block traffic.
28.TCP/IP: The main way computers talk on a network.
29.OSI model: Seven layers showing how data moves.

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20.HTTPS: Encrypted version of HTTP.
21.HTTPS vs SSL: HTTPS uses SSL/TLS for security.
22.Threat modeling: Find risks before hackers do.
23.Subnet: Splits a network into smaller parts.
24.Subnet mask: Shows which part of the IP is the network.

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DNS port: 53

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Common ports: 22 (SSH), 80 (HTTP), 443 (HTTPS); protect with firewalls

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Kerberos: Uses tickets from a trusted server to prove identity.
Compress then encrypt: Compress first to hide data patterns.
Prove message sender: Use digital signatures.
Encrypt at rest: Yes, to stop data theft.

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Before an security engineer interview read this thread 🧵

[Hack Her News @ForumSecure]

Diffie-Hellman vs RSA: DH shares keys; RSA encrypts and signs.

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Auth vs Authz: Auth = who you are; Authz = what you can do.

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Why HMAC: Stops faking because you need the secret key.

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HMAC: Checks message integrity with a secret key and hash.

[Hack Her News @ForumSecure]

SSL handshake: Client and server agree on keys to start encryption.

[Hack Her News @ForumSecure]

Sync vs Async encryption: One key for both vs two different keys.

[Hack Her News @ForumSecure]

PKI: Uses certificates and key pairs to trust and encrypt data.

[Hack Her News @ForumSecure]

JWT: A token that proves who you are without saving session data.

[Hack Her News @ForumSecure]

OAuth: Lets apps access your info safely without your password.

[Hack Her News @ForumSecure]

Sessions: Keep you logged in by tracking you on the server.

[Hack Her News @ForumSecure]

Cookies: Small data stored in the browser to remember user sessions or preferences.

[Hack Her News @ForumSecure]

Three-way handshake: TCP establishes a connection using SYN, SYN-ACK, and ACK messages.