AT Nexus LLC delivers IT consulting, managed services, penetration testing, and cloud solutions — with bilingual English/Japanese support for SMBs across the U.S.
Typical external website pen test
Comprehensive solutions tailored to small and mid-sized businesses across the U.S.
Architecture design, cloud strategy, and systems optimization tailored to the needs of growing SMBs.
Learn more →External web application testing, vulnerability validation, and clear remediation recommendations.
Learn more →24/7 monitoring, helpdesk, backups, and patch management to keep your operations running smoothly.
Learn more →Migration and configuration for AWS, Azure, and Google Cloud with security best practices built in.
Learn more →Assistance with ISO 27001, PCI DSS, SOC 2 readiness and related documentation.
Learn more →AT Nexus LLC is based in Torrance, CA. We deliver practical, secure IT solutions for businesses across the U.S. — combining technical expertise with a commitment to transparency and results.
OWASP & NIST-aligned security, cloud infrastructure, and automation tools.
Cybersecurity, cloud, and compliance support under one roof — no vendor juggling.
English and Japanese support for cross-cultural clients across the U.S.
We work with small and mid-sized businesses across the U.S. to deliver security, cloud, and IT management — practical solutions without the enterprise price tag.
A straightforward four-step approach from discovery to ongoing support.
We assess your current systems, security posture, and infrastructure to understand your unique needs and goals.
We craft a tailored roadmap combining security best practices with technology integration and management solutions.
Seamless implementation with minimal disruption — penetration tests, cloud setups, and managed IT onboarding done right.
Ongoing monitoring, reporting, and bilingual support to keep your business secure and your operations optimized.
Tell us about your project. We'll get back to you within one business day.
Torrance, CA
Serving clients across the U.S.
English · 日本語
External pen test: 5–10 business days.
Custom quotes available on request.
We respond within 1 business day.