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Exercise/Writeup/lab02.md
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# Lab 2: Secure Software Design
[WriteMd](https://writemd.rz.tuhh.de/876-Mxb3SeupKelDQ7eTvA?view)
## Security Requirements
Security Pattern [Catalog](https://people.cs.kuleuven.be/~koen.yskout/icse15/catalog.pdf).
### Security Requirement Analysis
| Task | Title | Pattern idea | Tactics |
| - | -------- | -------- | -------- |
| A | Enforce Password Policy, Single sign-on, Strong Authentication, Smart Cards | Credential Tokenizer, Single Sign-on, (Single Access Point) | Authenticate Users, Limit Exposure |
| B | User data disclosure and write protection | Encrypted Storage |
| C | Isolation of critical and non-critical domains | Server Sandbox, (DMZ) |
| D | Do not require login on every transaction | Session, Load Balancing (-> JWT) |
| E | Bank Clerk Operation Tracking | Secure Logger |
| F | Bank Account Information Privacy, Transaction Authorization | MFA, Fraud Detection |
| G | Mobile Device Communication Security | PKI, Public-Private Key Encryption -> Secure Pipe |
| Task | Title | Pattern idea |
| - | -------- | -------- |
| A | Enforce Password Policy, Single sign-on, Strong Authentication, Smart Cards | Credential Tokenizer, Single Sign-on, (Single Access Point) |
| B | User data disclosure and write protection | Encrypted Storage |
| C | Isolation of critical and non-critical domains | Server Sandbox, (DMZ) |
| D | Do not require login on every transaction | Session, Load Balancing (-> JWT) |
| E | Bank Clerk Operation Tracking | Secure Logger, Controlled Object Mnitor |
| F | Bank Account Information Privacy, Transaction Authorization | MFA, Fraud Detection |
| G | Mobile Device Communication Security | PKI, Public-Private Key Encryption -> Secure Pipe |
## Security Tactics
@ -24,5 +22,14 @@ Possible exam question: Name the differences between patterns and tactics and na
*aka. goals*
## Security Patterns
*e. g. SSO, MFA, OTP*
| Pattern | Tactic | Weakness |
| -------- | -------- | -------- |
| Credential Tokenizer, SAP | Reduce # of Passwords | Brute Force SAP Provider/Credential |
| Encrypted Storage | Limit Wallet Control & History Access | Weak PIN Exposes Access |
| Server Sandbox | Prevent Harm from Unknown Vulns | Weak Auth, Insecure Containers, |
| Session, Secure Session T | Avoid Repeated Authentication | Session Token Theft |
| Text | | Text |
| Text | Text | Text |
| Text | Text | Text |
> !?! so now we're just adding random patterns because we feel like it, instead of suggesting a requirement to be added

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Exercise/Writeup/lab03.md Normal file
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# Lab 3
## Stride examples
| DFD-Element | Concern | Example |
| -- | -- | -- |
| User | Spoofing | Send a chat message in the name of another user |
| User | Spoofing | Stolen credentials might be used to login |
| User Login | Tampering | Modify HTTP login header |
| Login | Denial of Service | Flood server with login requests |
| Login | Spoofing | Domain spoofing to impersonate server |
| Database | Information Disclosure | SQL Injection |