Intent Over Identity: Deconstructing the OpenAI Escape
In our recent Rethinking the Perimeter series, we explored how static network boundaries fail when facing modern AI and API ecosystems, as well as the data exposure risks. But in the last couple of days, the threat landscape shifted even further, moving from API logic abuse to fully autonomous, long-horizon AI exploitation. OpenAI disclosed an unprecedented security incident during an…
Yonatan Appel
CTO & Co-Founder
The Upstream Blog
- AI in Mobilty
- Cybersecurity
- Runtime AI and API Security
Rethinking the Perimeter: Excessive Data Exposure and the Outbound Blind Spot
As SOC executives transition to managing autonomous MCP servers on top of the existing complex cloud topologies and distributed microservices, we must acknowledge a critical…
Yaniv Maimon
VP Cyber Services
- AI in Mobilty
- Cybersecurity
- Runtime AI and API Security
Rethinking the Perimeter: The Hidden Blast Radius of “Harmless” Endpoints
As SOC executives navigate an era of autonomous AI agents, complex machine-to-machine integrations, and Model Context Protocol (MCP) servers, we must accept a harsh architectural…
Yaniv Maimon
VP Cyber Services
- Runtime AI and API Security
Behavior and Kinetic Impact Define the New AI Security Paradigm
For decades, enterprise cybersecurity has been obsessed with lines in the sand. We built walls around networks, drew perimeters around systems, and gated access to…
Yonatan Appel
CTO & Co-Founder
- Cybersecurity
- Mobility API Security
- Runtime AI and API Security
Rethinking the Perimeter: BOLA and the Illusion of the Legitimate Request
As SOC executives navigating an era of autonomous AI agents, complex machine-to-machine integrations, and Model Context Protocol (MCP) servers, we must accept a harsh architectural…
Yaniv Maimon
VP Cyber Services
- Compliance
- Cybersecurity
The New Front Lines: Navigating the EU’s 2026 Mandate for Connected Vehicle Security
The automotive industry has reached a definitive “point of no return.” In the first half of 2026, the EU’s NIS Cooperation Group released its seminal…
Oscar Törnebrant
- Cybersecurity
- Physical AI
The Reality Check of AI-Turbocharged Vulnerabilities
Project Glasswing brought to light what many security teams already suspected: AI is changing the economics of vulnerability discovery. Anthropic described Claude Mythos Preview as…
Yaniv Maimon
VP Cyber Services
- Cybersecurity
- Physical AI
The Kinetic Responsibility: Governance and Resilience in the Age of Physical AI
In the traditional cybersecurity paradigm, a breach is measured in exfiltrated terabytes and service downtime. In the era of Physical AI, the metric of failure…
Yonatan Appel
CTO & Co-Founder
- Proactive Quality Detection
Driving Intelligent Quality in the Software-Defined Vehicle Era
In today’s Software Defined Vehicles (SDVs) era, ensuring vehicle quality and performance is no longer a post-production task—it’s a continuous, data-driven process. Upstream’s Proactive Quality Detection (PQD) solution leverages…
Arnon Shafir, Ashok Rao, and Luke Harvey
- AI in Mobilty
- Cybersecurity
- Mobility API Security
LLMs are Turning APIs Into Decision Surfaces
Insights from Upstream’s recent webinar with Ford’s Dan O’Reilly “For years, APIs were just integration points,” Dan O’Reilly explained during a recent live webinar with…
Lara Doel
Strategic Product Marketing