AI Context Isn't (Only) a Snapshot. It's a Live Feed.
There is a line making the rounds in AI security right now: context shows you what matters. I agree with it. I just think we should be precise about what kind of context we mean. Most of what the industry calls context today is a snapshot: a point-in-time inventory of which agents exist, which identities they run as, which APIs…
Yonatan Appel
CTO & Co-Founder
The Upstream Blog
- Runtime AI and API Security
The Cyber Memory Gap: Why AI Security Needs to Remember, Not Just React
I’ve had a lot of conversations about AI agent security this year, with CISOs, with our own team, with peers across the industry. One phrase…
Yoav Levy
CEO and Co-founder
- Physical AI
Physical AI Manufacturers: Meet the Cyber Resilience Act Regulation
The clock is running…. Six days ago, on September 11, the clock started running on the EU’s Cyber Resilience Act. For every company that builds…
Yoav Levy
CEO and Co-founder
- Physical AI
Upstream Joins Forces with Cisco Cloud Control to Power Physical AI Intelligence for Agentic Operations
As part of Cisco’s marketplace expansion, the integration lets AI agents in Cisco Cloud Control query Upstream’s Model Context Protocol (MCP) servers to access real-time…
TEAM UPSTREAM
- Physical AI
The FCC’s New Robotics Ban is a Watershed Moment for Cyber-Physical Security
As security leaders operating at the intersection of Physical AI, connected vehicles, and smart mobility, we at Upstream have long warned that when you put…
ROY BACHAR
Chief Business Officer
- Cybersecurity
- Runtime AI and API Security
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…
Yonatan Appel
CTO & Co-Founder
- 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