C.Ellyson
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techwithellyson.bsky.social
C.Ellyson
@techwithellyson.bsky.social
AWS ☄️ cloud security engineer ☄️ cybersecurity specialist ☄️ Ethical hacker.
I help people start their tech Career for free, just send me a message
Secrets belong in a vault.
Never hardcode credentials. Use AWS Secrets Manager or a centralized vault, rotate keys automatically, and restrict GetSecretValue to scoped roles only. Log accesses.
#SecretsManagement #SecretsManager #Security
November 11, 2025 at 8:01 AM
Shift-left security in CI/CD.
Run SAST, SCA (dependency scanning), and infra-as-code linting during the build stage. Fail the build on high-severity findings — not after deploy. Protect pipeline credentials with short-lived tokens.
#DevSecOps #CICD #SAST
November 10, 2025 at 8:01 PM
Protect apps with layered controls.
Use API Gateway + WAF + rate limiting + TLS + input validation. For web apps, map OWASP Top 10 to concrete controls (WAF rules for SQLi/XSS, CSP headers for XSS, auth for broken auth).
#AppSec #WAF #OWASP
November 10, 2025 at 4:01 PM
Be forensic-ready ... before an incident.
Enable multi-region CloudTrail, VPC Flow Logs, S3 Object Lock for evidence, and automated EBS snapshots. Document chain-of-custody steps so findings are admissible and reproducible.
#Forensics #CloudTrail #Preparedness
November 10, 2025 at 8:00 AM
Practice makes posture — run regular red/blue drills.
Schedule tabletop exercises and controlled simulations (Pacu, Atomic Red Team) in a lab account. Use the findings to prioritize hardening and update runbooks. Repeat quarterly.
#RedTeam #BlueTeam #CloudSecurity
November 9, 2025 at 8:00 PM
Zero Trust is not a product — it’s a discipline.
Stop trusting “inside the network.” Verify identity, device posture, and context on every request. Start by enforcing MFA + conditional access for all privileged roles.
#ZeroTrust #CloudSecurity #MFA
November 9, 2025 at 3:02 PM
Make compliance continuous, not quarterly.
Enable AWS Config rules (or similar) to detect drift: public S3, unencrypted EBS, missing CloudTrail. Automate alerts to close the feedback loop.
#Compliance #AWSConfig #DevSecOps
November 9, 2025 at 8:00 AM
Detect early with multiple lenses.
Combine GuardDuty (threat intel), VPC Flow Logs (network), and CloudTrail (API). Correlate findings in Security Hub — don’t rely on one signal.
#ThreatDetection #GuardDuty #SecurityHub
November 8, 2025 at 8:00 PM
Automate safe remediation.
Use EventBridge → Lambda (or Step Functions) to tag/quarantine resources on high-severity findings. Start with reversible actions (tagging, security-group changes) before destructive ones. Test in staging.
#SOAR #Automation #IncidentResponse
November 8, 2025 at 4:01 PM
IAM least-privilege wins.
Grant roles the minimum permissions they need — nothing more. Use permission boundaries, IAM Access Analyzer, and role separation (no long-lived keys). Audit monthly.
#IAM #LeastPrivilege #AWS
November 8, 2025 at 1:07 PM
Logging and monitoring in web application
#logging #monitoring
November 8, 2025 at 8:00 AM
Network segmentation divides a web app’s infrastructure into isolated zones (DMZ, App, DB) — reducing lateral movement, improving visibility, and allowing safe, controlled testing environments that mirror production without risking real systems.
November 7, 2025 at 8:00 AM
Hashing + salting
November 6, 2025 at 8:01 PM
Encryption in web application
November 6, 2025 at 4:03 PM
AI Quiz: What's deep learning?
A) Multi-layer neural networks
B) Shallow algorithms
C) Surface-level data
D) Basic rules
November 6, 2025 at 11:02 AM
Cybersecurity Quiz: Which encryption standard replaced DES?
A) AES
B) RSA
C) MD5
D) SHA-1
November 6, 2025 at 8:01 AM
IoT Exploitation: The growth of IoT devices (smart homes, industrial systems) creates new attack surfaces. Many lack robust security, making them easy targets.
November 5, 2025 at 8:01 PM
Ransomware-as-a-Service (RaaS): Platforms on the dark web lower barriers for attackers, enabling non-technical criminals to deploy ransomware.
November 5, 2025 at 4:04 PM
Operational Disruption: The 2022 LAUSD ransomware attack disrupted school operations but was mitigated without paying the ransom
November 5, 2025 at 1:02 PM
Cybersecurity Quiz: What's a common way to prevent ransomware?
A) Regular backups
B) Sharing passwords
C) Clicking unknown links
D) Disabling antivirus
November 5, 2025 at 8:01 AM
Cybersecurity Quiz: Which attack involves overwhelming a server with traffic?
A) Phishing
B) DDoS
C) SQL Injection
D) Man-in-the-Middle
November 5, 2025 at 7:51 AM
Financial Losses: The 2017 Equifax breach exposed data of 145.5 million users, costing millions in fines and remediation.
November 3, 2025 at 8:01 PM
Zero-Trust Architecture: Verify all users and devices, as mandated by U.S. Executive Order 14028 for federal agencies.
November 3, 2025 at 4:03 PM
AI Quiz: What does AI stand for?
A) Automated Intelligence
B) Artificial Intelligence
C) Advanced Integration
D) Algorithmic Inference
November 3, 2025 at 8:01 AM
Cybersecurity Quiz: What's the term for fake antivirus software?
A) Scareware
B) Adware
C) Spyware
D) Rootkit
November 2, 2025 at 8:01 PM