Skip to Content

Security

Take Five – Stop, challenge and protect yourself against fraudsters
Security
3 September 2024

Take Five - Stop, challenge and protect yourself against fraudsters

How we're building moments of pause into the Monzo app to help protect customers from fraud and purchase scams.

Security
28 July 2024

A trio of industry-first security tools to help stop fraudsters in their tracks

We're focused on giving customers protection and peace of mind to make Monzo a safe place to manage your money. Find out how we're achieving this with our latest release: a trio of industry-first security tools

Image of a lock
Technology
Security
4 August 2022

Scaling our security detection pipeline with Sigma

Detective controls help us monitor our systems for unwanted behaviour, but since writing our first detection rules, our company and team has grown. This post explains how we scaled those detection rules using Sigma and have open sourced our tooling.

Image of a lock
Technology
Security
25 May 2022

Humans who can RPC: securing staff access to 2000 microservices

With over 2000 microservices and lots of Remote Procedure Calls (RPCs) that are constantly changing, we needed a new way to manage staff access. The Security Platform team explain how we now define RPC permissions directly in proto files.

Image of a lock
Technology
Security
30 March 2022

How we secure Monzo’s banking platform

Our Security Infrastructure team introduces the principles we follow to build security in Monzo’s fast-moving engineering environment and how they work with other engineering teams to keep our customers and platform safe.

Technology
Security
15 February 2022

Securely delegating trust with digital signatures and secret storage systems

This post explains how our public key infrastructure uses a combination of different secret storage systems to implement a balance between security assurances and usability.

Image of a lock
Technology
Security
18 November 2021

How we protect our most sensitive secrets from the most determined attackers

As a bank, we have private keys and other 'secrets' we need to protect, to keep our customers and ourselves safe. Our security controls work together to stop even the most determined and capable attackers.