About ByteSizedSecurity
Cybersecurity insights in digestible portions.
Marc David
Senior Security Engineer · CISSP
Marc is an ISC2 Certified Information Systems Security Professional (CISSP — verify on Credly) and Senior Security Engineer with 8+ years of dedicated cybersecurity experience, driving innovation in threat detection, incident response, and security automation. He created ByteSizedSecurity to bridge the gap between technical security research and practical understanding.
ByteSizedSecurity is an independent cybersecurity nonprofit dedicated to breaking down complex security topics into understandable, actionable insights.
ByteSizedSecurity is a registered 501(c)(3) nonprofit organization. EIN 99-3551319. All donations are tax-deductible to the fullest extent allowed by law.
Our Mission
In an era of increasingly sophisticated cyber threats, staying informed is your first line of defense. We aim to bridge the gap between technical security research and practical understanding, making cybersecurity accessible to everyone from beginners to seasoned professionals.
What We Cover
- Vulnerability Analysis — Deep dives into the latest CVEs and how they impact your systems
- Penetration Testing — Tools, techniques, and methodologies for ethical hacking
- Malware Research — Reverse engineering and analysis of malicious software
- Web Security — XSS, CSRF, SQL injection, and modern web attack vectors
- Cryptography — Understanding encryption, hashing, and secure communications
- Blue Team Operations — Defense strategies, incident response, and threat hunting
Editorial Standards
Every article on ByteSizedSecurity is researched and written by a practicing security professional, not generated by AI or rewritten from press releases. Our analysis is grounded in primary sources — vendor security advisories, government disclosures (CISA, NIST, ISC2), court filings, and direct technical testing where applicable.
We link to original sources so readers can verify claims independently. When we reference statistics, we cite the issuing organization. If you find an error or outdated information in any article, please contact us and we will correct it promptly with a visible update note.
Support Our Mission
ByteSizedSecurity is a reader-supported 501(c)(3) nonprofit. We take no vendor sponsorships and republish no press releases — that independence is only possible because readers and donors fund the work directly.
Contributions help cover research subscriptions, lab infrastructure, hosting, and stipends for guest researchers. Every dollar goes further because our donation platform, GiveLively, charges nonprofits nothing — 100% of your gift reaches us, and you receive an automated tax receipt.
Get In Touch
Have questions, suggestions, or want to contribute? Reach out via our social channels or drop us an email. We're always happy to hear from fellow security enthusiasts.