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# getting-started-in-cybersec # getting-started-in-cybersec
A guide to go from zero to hero in cyber security A guide to go from zero to hero in cyber security
Outline of core fundamentals (mostly blue team) ## fundamentals and theory
* fundamentals 1. definitions
1. definitions 2. core ideas
2. core ideas a. GRC
i. GRC - security culture
- security culture - budget
- budget - man power
- man power b. CIA triad
ii. CIA triad c. security in depth + zero trust security vs castle methoddiv. assume compromise
iii. security in depth + zero trust security vs castle method d. assessing threats
iv. assume compromise - threat actors
v. assessing threats e. threat modeling
- threat actors f. risk analysis
vi. threat modeling - assets
vii. risk analysis - financial impact modeling
- assets - heatmap of threats
- financial impact modeling g. mitigating risk
- heatmap of threats h. controlls
viii. mitigating risk - administrative
- technical
ix. controlls - detective
- administrative - preventitive
- technical - deturrant
- detective i. disaster recovery
- preventitive - assume compromise
- deturrant - redundant backups
x. disaster recovery - hot/cold/warm sites
- assume compromise j. access and authentication
- redundant backups - access
- hot/cold/warm sites - authentication
xi. access and authentication - MFA
- access i. soemthing you know
- authentication ii. something you have
- MFA iii. something you are
i. soemthing you know iv. location
ii. something you have 3. how security departments usually work
iii. something you are a. SOC
iv. location b. NOC
3. how security departments usually work c. IR
i. SOC d. administrative
ii. NOC 4. offensive/defensive aka red team/blue team
iii. IR a. blue team
iv. administrative b. red team
c. red team informs blue team
4. offensive/defensive aka red team/blue team d. purple team
i. blue team
ii. red team
iii. red team informs blue team
iv. purple team
5. Look ahead to technical concepts ## technical concepts and theory
i. networking 1. networking
- client-server model a. client-server model
- ip addresses b. network devices
- mac addresses c. ip addresses
- LAN d. mac addresses
- ARP e. LAN
- DHCP f. ARP
- routing g. DHCP
ii. networking contd h. routing
- TCP I. TCP
i. packets - packets
- UDP J. DNS
- DNS 2. operating systems
a. windows
b. linux
c. android
d. ios
e. embedded/iot