Arun Kumar

Senior Security Researcher, Fastly

Arun Kumar is a Senior Security Researcher at Fastly, with a focus on bot management & anti-fraud products.

DDoS in January

Arun Kumar, David King, + 1 more

Stay informed with Fastly's monthly DDoS report, highlighting a 14.5% rise in attacks. Utilize our data-driven insights to bolster your application's security.

Security
Industry insights

Back to Basics of Automated Attacks: Account Takeover

Arun Kumar, Fastly Security Research Team

Explore account takeover attacks and mitigations including modern authentication with 2FA/passkeys, and anti-bot measures to enhance account security.

Security

How to Protect Against Credential Stuffing

Arun Kumar, Fastly Security Research Team

In this post, we will discuss a low latency approach to detect these attacks by co-locating the password hashes in a KV Store, along with Compute on Fastly’s edge.

Compute
+ 3 more

Network Effect Threat Report: Uncovering the power of collective threat intelligence

Fastly Security Research Team, Simran Khalsa, + 3 more

Announcing the Network Effect Threat Report, Fastly’s threat intelligence report with insights based on unique data from April to June of 2023

Security
+ 2 more

CVE-2023-34362: Progress MOVEit Transfer SQL Injection Vulnerability

Fastly Security Research Team, Simran Khalsa, + 3 more

What you need to know about CVE-2023-34362: Progress MOVEit Transfer SQL Injection Vulnerability

Security

Examining Chrome's TLS ClientHello Permutation | Fastly

Jonathan Foote, Arun Kumar, + 2 more

On January 20th, Chrome shipped an update that changed the profile of one of the most popular TLS client fingerprinting algorithms, JA3. In this short blog post we’ll describe the change and our observations across Fastly's network.

Industry insights
Security