Attack-Defence

L7: Exploit Attack: SQL Injection, JAVA Framework Log4Shell

L6: PHISHING: Email Receiver content

L5: HIJACKING：MAN in the Middle in Session Layer , Proxy --> Session layer handshake

L4: DOS: SYN Flooding

L3: ICMP Redirect, IP Spoofing

L2: ARP Spoofing

L1: Sniffer

Using Sniffer to sniff pass words , DNS Flooding

Botnets: Zombie Network

MITM: Proxy

DNS Spoofing: DNS Forwarder

IP Spoofing: LAN ( MAC--> IP, ARP Cache)

DDos: Syn Flooding, ICMP Flooding

Rootkit: malware

Group Exercise:

A finance company has topology to service its IT/OT operations which consist of

A. servers Section: database, file and application servers

B. Employee Section: Employee computers to access internal and Internet resource

C. Mobile Section : Access point for guest users and internal users

D. Remote Sections: Allow branch office using VPN to access servers

Draw a Diagram using cacoo (https://cacoo.com/)

network topology templet

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