Cloudflare has published its State of Application Security 2024 Report, which shows security teams are struggling to keep pace with the risks posed by organisations’ dependency on modern applications.

The report underscores that the volume of threats stemming from issues in the software supply chain, increasing number of distributed denial of service (DDoS) attacks and malicious bots, often exceed the resources of dedicated application security teams. 

Halting disruptions

Today’s digital world runs on web applications and APIs, the report says.

They allow ecommerce sites to accept payments, healthcare systems to securely share patient data and power activities we do on our phones.

However, the more we rely on these applications, the more the attack surface expands.

This is further magnified by the demand for developers to quickly deliver new features—e.g., capabilities driven by generative AI.

But if unprotected, exploited applications can lead to the disruption of businesses, financial losses and the collapse of critical infrastructure. 

“Web Applications are rarely built with security in mind,” said Matthew Prince, Co-Founder and CEO at Cloudflare.

“Yet, we use them daily for all sorts of critical functions, making them a rich target for hackers.

“Cloudflare’s network blocks an average of 209 billion cyber threats for our customers every single day.

“The layer of security around today’s applications has become one of the most essential pieces to making sure the Internet stays secure.”

What were the report findings?

• DDoS attacks continue to increase in number and volume: DDoS remains the most leveraged threat vector to target web applications and APIs, comprising 37.1 % of all application traffic mitigated by Cloudflare. Top targeted industries were Gaming and Gambling, IT and Internet, Cryptocurrency, Computer Software and Marketing and Advertising.
• First to patch vs. first to exploit—the race between defenders and attackers accelerates: Cloudflare observed faster exploitations than ever of new zero-day vulnerabilities, with one occurring just 22 minutes after its proof-of-concept (PoC) was published.
• Bad bots—if left unchecked—can cause massive disruption: One-third (31.2%) of all traffic stems from bots, the majority (93%) of which are unverified and potentially malicious. Top targeted industries were Manufacturing and Consumer Goods, Cryptocurrency, Security and Investigations, and US Federal Government.
• Organisations are using outdated approaches to secure APIs: Traditional web application firewall (WAF) rules that use a negative security model—the assumption that most web traffic is benign—are most commonly leveraged to protect against API traffic. Far fewer organisations use the more widely accepted API security best practice of a positive security model—strict definitions on traffic that is allowed, rejecting the rest.
• Third-party software dependencies pose growing risk: Organisations use an average of 47.1 pieces of code from third-party providers and make an average of 49.6 outbound connections to third-party resources to help enhance website efficiency and performance—e.g., leveraging Google Analytics or Ads. But as web development has largely shifted to allow these types of third-party code and activity to load in a user’s browser, organisations are increasingly exposed to supply chain risk and liability and compliance concerns. 

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