Primary variation recommended for dark-themed landing pages, footers, and technical slide decks.
VISUAL ASSETS & PARTNERSHIPS
Media Kit & Brand Assets
Official visual guidelines, vector logos, display ad banners, and technical research badges from my engineering labs. Available for affiliate partners, technology vendors, and tech publications to accurately feature my work in infrastructure, SaaS, and incident response.
Official Logos & Emblems
Horizontal and monogram variations in high resolution for dark and light surfaces.
High-contrast typography (#0f172a) with signature amber dot, tailored for white documents and print reports.
Compact lab emblem with technical dashed stroke and signature amber marker.
Official Affiliate & Display Banners
Standard IAB and social dimensions modeled after the official frontpage Hero for partner blogs and portals.
Citation & Partner Badges
For evaluated software vendors, certified partners, or research citations.
Official Color Palette
Click any swatch to copy its hexadecimal color code to your clipboard.
Serene Blue (DevSecOps)
#7494eb
Copy HEX
Soft Gold (Editorial)
#ebda74
Copy HEX
Tech Slate (Badges)
#5a73b6
Copy HEX
Carbon Base (Dark)
#161616
Copy HEX
Card Surface
#1c1c1c
Copy HEX
Primary Text
#f4f5f7
Copy HEX
Secondary Text
#b4bac6
Copy HEX
Border & Divider
#262626
Copy HEX
Matrix / Success
#10b981
Copy HEX
Light Mode (Base)
#ffffff
Copy HEX
Official Headshots & Author Bios
High-definition press portraits, author cartoon avatar sticker, and prepared bios across 3 lengths for podcasts, articles, and conferences.
Official Headshot (Photography)
High-resolution photographic portrait (WebP & JPG).
Official Cartoon Avatar (Sticker)
Signature glasses illustration with white sticker outline, perfect for tech articles, reviews, social cards, and co-marketing.
Short Bio (1-Line / Social)
Percio Castelo (sr00t3d) is a Linux SysAdmin and DevSecOps researcher with 10+ years operating high-density multi-tenant hosting, incident response, technical labs, and SaaS tools.
Standard Bio (Editorial & Media Coverage)
Percio Castelo is a Linux Systems Administrator and DevSecOps specialist with over a decade of production troubleshooting, attack containment, and server hardening experience. Holding 55 official credentials (Google Cybersecurity, Linux Foundation, cPanel), he operates multiple engineering labs, develops SaaS tools, and regularly documents practical infrastructure case studies at perciocastelo.com.br.
Full Bio (Conferences & Press)
Percio Castelo (sr00t3d) is a Linux Systems Administrator and DevSecOps architect based in Brazil. With over 10 years of hands-on datacenter and cloud experience, he specializes in high-density web hosting infrastructure (Apache, Nginx, LiteSpeed), emergency incident triage, digital server forensics, and hardened CI/CD automation pipelines.
Alongside operating open engineering labs, SaaS tools, and production automation scripts, he regularly documents real-world production cases, vulnerability disclosures, and deep-dive security teardowns at perciocastelo.com.br, pairing hands-on engineering rigor with uncompromising editorial integrity.
Brand Integrity Guidelines
Standards to preserve visual consistency and legibility across third-party placements.
Do (Recommended)
- Always use vector SVG files when possible for optimal sharpness on Retina and 4K displays.
- Maintain proper contrast: place dark assets on dark surfaces, and light assets on white/bright backgrounds.
- Preserve generous clear space around logos, avoiding crowding with neighboring text or icons.
- Link banners and badges to the canonical URL
https://perciocastelo.com.br/en/or your authorized affiliate path.
Don't (Prohibited)
- Do not stretch, distort, squish, or alter the original aspect ratio of any brand asset.
- Do not modify the official brand colors (serene blue #7494eb, soft gold #ebda74, or carbon #161616).
- Do not apply arbitrary drop shadows, 3D bevels, or unapproved decorative outlines.
- Do not associate Percio Castelo or NEXUS Lab with deceptive schemes, spam, or malicious software.
Press Inquiries & Technical Coverage
Need a custom format or technical interview?
I am available for technical commentary, digital forensics debriefs, and strategic partnerships with infrastructure and cybersecurity vendors.
Get in touch with Percio →