Northguard

Northguard (also called ) is LinkedIn's architectural evolution of Apache Kafka, designed to handle over 32 trillion records daily. Its "deep" features focus on overcoming the scalability bottlenecks of traditional distributed systems.

"Northguard" typically refers to two distinct technologies: a next-generation developed by LinkedIn and a suite of consumer security software . 1. LinkedIn Northguard (Streaming Infrastructure) northguard

The infrastructure is "balanced by design," meaning it can add new brokers or replenish replication factors automatically without requiring external services to move existing data. This allows the system to manage millions of

It eliminates the "single controller" bottleneck by distributing metadata across multiple nodes using replicated state machines . This allows the system to manage millions of partition replicas without the latency issues common in centralized models. northguard

On mobile devices, it uses a VPN loopback channel to perform real-time URL inspection directly on the device, enabling "Safe Browsing" and "Content Filtering" while maintaining user privacy.

For individual users, Northguard offers a suite of cybersecurity tools focused on mobile and desktop protection.

This feature scans email-linked accounts against known breaches and provides a detailed list of leaked data categories and original leak dates.