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December 15, 2022March 20, 2023

GPT-3 and Cybersecurity

Introduction The use of deep neural networks has significantly improved the performance of machine learning in fields such as image […]

Younghoo Lee
Konstantin Berlin
December 15, 2022March 20, 2023

A Natural Language Query Interface for XDR/SQL

Introduction Many organizations are transitioning their security management to the cloud, where it is much easier to collect and access […]

Younghoo Lee
Konstantin Berlin
January 24, 2022March 20, 2023

“You Don’t Do That Usually”: Detecting Anomalies in AWS IAM User Activity

Introduction Users may perform thousands of actions (events) per day in their Amazon Web Services (AWS) environments. This generates a […]

Mohit Munjal
December 14, 2021March 20, 2023

“LOL you’re not executing that”: Detecting Malicious LOLBin Commands

LOLBins (living off the land binaries) are executable files that are already present in the user environment, LOLBins (living off […]

Adarsh Kyadige
December 14, 2021March 20, 2023

That Escalated Quickly: A Model for Alert Prioritization

Hundreds of millions of events. Tens of thousands of triggered rules. A thousand incidents. Every week. That is the reality of the modern cyber threat landscape and the sheer volume of alerts that the Sophos MTR […]

Ben Gelman
October 15, 2021March 20, 2023

Analyzing Security ML Models with Imperfect Data in Production

SophosAI team develops numerous machine learning models that get directly integrated to our products. Currently we have more than 30 models deployed […]

Awalin Sopan
Konstantin Berlin
September 29, 2021March 20, 2023

ELI10: A Regex, a Hierarchical Approach, and a Deep Learning Model Walk into a Bar

Previously in the ELI10 series, we went over our detector of malicious web content based on URLs: a lightweight deep […]

Salma Taoufiq
May 25, 2021March 20, 2023

Killed By ML – URL Analysis with LIME

Introduction At Sophos we take a neural network approach to detecting previously unseen malicious and derogatory URLs. We use a […]

Hillary Sanders
May 11, 2021March 20, 2023

ELI10: Hunting for Malicious URLs with Character-level Embeddings and Convolutions

Introduction On any given day that we are happily browsing the Web, we are stomping around on a minefield. Malware […]

Salma Taoufiq
May 10, 2021March 20, 2023

A machine learning approach to inferring the maliciousness of unknown IP addresses, autonomous systems, and ISPs

Introduction The machine learning-based detection technologies we build at Sophos AI rely on many information sources, including binary programs, system […]

Tamás Vörös
Richard Harang

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