Goldsteine is an adversarial cybersecurity firm built for the era of weaponized AI and industrialized ransomware. We sit on the offensive side of the table — so our clients never have to.
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A predator’s posture beats a fortress’s walls. We do both.
The threat landscape no longer waits for office hours. Ransomware crews, state-aligned actors, and AI-driven malware operate on a tempo that legacy defense was never engineered to match. Most organizations are still building taller walls. The adversary is already inside.
Goldsteine is built differently. We think like the attacker, run like an engineering team, and answer to outcomes — not dashboards. From Richmond, Virginia, we partner with companies that cannot afford to be a case study.
A layered defense stack engineered for the modern extortion economy — combining behavior-based endpoint shielding, immutable backups, kill-chain interruption, and tabletop-tested recovery playbooks. We assume breach, design for blast radius, and rehearse the bad day before it happens.
Advanced penetration testing and application security led by senior operators. External, internal, cloud, and adversary-emulation engagements that produce evidence — not checklists — paired with code-level remediation guidance.
Strategic advisory for protecting digital products, media, and proprietary code from cloning, leakage, and unauthorized redistribution. We engineer licensing, watermarking, tamper-resistance, and anti-piracy frameworks that scale with your release pipeline.
Curated, sector-specific intelligence on the actors targeting you — drawn from clear, deep, and dark sources and refined by analysts who write to be read. We deliver context: who, why, how, and what to do before noon.
We start where the adversary starts — outside your perimeter, looking in. Open-source intelligence, asset discovery, and sector-specific threat modeling, so the engagement targets what actually matters.
Senior operators run the playbook the adversary would. Web, cloud, identity, and human attack paths — chained, evidenced, and documented to a standard your auditors recognize.
Findings come paired with the fix. We work alongside your engineers, write the patches when needed, and rehearse the response with your SOC before sign-off.
Security isn’t a project. We stay engaged via intelligence feeds, scheduled re-tests, and an on-call retainer — so the next adversary doesn’t catch you in the gap.
Global technology partner. Our team is aligned to Microsoft Defender XDR, Sentinel, Entra ID, and Azure security tooling — extending Microsoft’s platform with Goldsteine’s operator craft.
North American MSP/MSSP delivering 24·7 cybersecurity, pen testing, real-time monitoring, MFA, and endpoint security across Miami, Montreal & Toronto. A complementary operations footprint for our co-managed clients.
Network and endpoint observability platform. ViewLynx feeds our SOC with high-fidelity telemetry — flow, packet, and identity signals — that turn blind spots into early-warning indicators across hybrid estates.
AI-powered multifactor authentication for Windows, macOS, and Linux. Goldsteine integrates SecureSonic to harden RDP and credential surfaces against brute-force, phishing, and identity-driven intrusions.
Tell us about your environment, your last incident, or the one you’re trying to avoid. A senior operator — not a sales rep — will be on the call.