Comparison Overview
QuantumBlack, AI by McKinsey

QuantumBlack, AI by McKinsey
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Last Update: 01/05/2026
We are QuantumBlack, AI by McKinsey. We bring the power of Artificial Intelligence combined with the unique strengths of people, to create a new source of dynamic, competitive advantage we call hybrid intelligence. QuantumBlack was born and proven in Formula 1, where...

Appen
12131 113th Ave NE, Kirkland, 98034, US
Last Update: 11/09/2026
Appen has been a leader in AI training data for over 25 years, providing high-quality, diverse datasets that power the world's leading AI models. Our end-to-end platform, deep expertise, and scalable human-in-the-loop services enable AI innovators to build and optimize ...
Compliance Ranges Comparison

QuantumBlack, AI by McKinsey







Appen






Benchmark & Cyber Underwriting Signals
Incidents vs IT Services and IT Consulting Industry Avg (This Year)
No incidents recorded for QuantumBlack, AI by McKinsey in 2026.
Incidents vs IT Services and IT Consulting Industry Avg (This Year)
No incidents recorded for Appen in 2026.
Incident History - QuantumBlack, AI by McKinsey (X = Date, Y = Severity)
QuantumBlack, AI by McKinsey cyber incidents detection timeline including parent company and subsidiaries.
Incident History - Appen (X = Date, Y = Severity)
Appen cyber incidents detection timeline including parent company and subsidiaries.
Notable Incidents

QuantumBlack, AI by McKinsey

Appen
FAQ
Latest Global CVEs
Mooncake transfer engine through 0.3.13.post1 contains a memory exhaustion vulnerability in TransferMetadata::receivePeerNotify that allows unauthenticated attackers to grow process memory without limit. Attackers can repeatedly send notify frames up to 1 MB to the handshake RPC port, filling the uncapped notifys vector until the out-of-memory killer terminates the engine.
- https://github.com/kvcache-ai/Mooncake
- https://github.com/kvcache-ai/Mooncake/blob/719735896c86b56fabec6cf3e825fb2ea640597a/mooncake-transfer-engine/src/transfer_metadata.cpp#L285-L296
- https://github.com/kvcache-ai/Mooncake/issues/4445
- https://www.vulncheck.com/advisories/mooncake-transfer-engine-through-0.3.13-post1-memory-exhaustion-via-unbounded-notify-queue
Mooncake transfer engine through 0.3.13.post1 contains a denial of service vulnerability that allows unauthenticated remote attackers to block the handshake daemon by never reading replies. Attackers can send a Metadata request to the handshake RPC port and stall SocketHandShakePlugin's single listener thread in writeFully(), breaking all subsequent handshakes, metadata fetches, notify and probe requests.
- https://github.com/kvcache-ai/Mooncake
- https://github.com/kvcache-ai/Mooncake/blob/719735896c86b56fabec6cf3e825fb2ea640597a/mooncake-transfer-engine/src/transfer_metadata_plugin.cpp#L730-L803
- https://github.com/kvcache-ai/Mooncake/issues/4443
- https://www.vulncheck.com/advisories/mooncake-transfer-engine-through-0.3.13-post1-denial-of-service-via-p2p-handshake-daemon-response-write
Office-PowerPoint-MCP-Server through 2.0.7 contains a path traversal vulnerability that allows MCP callers to write and read files outside the working directory by supplying absolute paths or ../ sequences. Attackers can steer an AI agent via prompt injection to abuse save_presentation, open_presentation, or manage_image output_path to overwrite any server-writable file or load external files.
- https://github.com/GongRzhe/Office-PowerPoint-MCP-Server
- https://github.com/GongRzhe/Office-PowerPoint-MCP-Server/blob/3631ba2ec0c24504476f78bf74d329c9be11caaa/tools/presentation_tools.py#L127-L141
- https://github.com/GongRzhe/Office-PowerPoint-MCP-Server/blob/3631ba2ec0c24504476f78bf74d329c9be11caaa/utils/presentation_utils.py#L61-L73
- https://github.com/GongRzhe/Office-PowerPoint-MCP-Server/pull/33
- https://www.vulncheck.com/advisories/office-powerpoint-mcp-server-through-2.0.7-path-traversal-via-save-presentation-and-manage-image
A flaw was found in 389-ds-base. An unauthenticated remote attacker can send a complete LDAP operation followed by the first bytes of an incomplete LDAPMessage on the same connection, causing the server to hand that connection to a second worker thread before the first worker's result is flushed. The second worker blocks until nsslapd-ioblocktimeout while holding the connection mutex, preventing delivery of the completed operation's result. Repeating this across a small number of connections proportional to the configured worker-thread pool size exhausts the entire pool under default configuration, denying service to all clients (anonymous and authenticated, plaintext and TLS) for as long as the attacker maintains the connections.
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in CWE-79 - Cross-site Scripting CAPEC-63 allows Cross-Site Scripting (XSS). This issue affects CAPEC-63: before 3.0b63.