Alireza Gharib Blog

Phishing remains one of the most dangerous and persistent cyber threats for individuals and organizations. Modern attacks use a growing arsenal of deceptive techniques that bypass traditional secure email gateways (SEGs) and email authentication measures, targeting organizations, employees, and vendors. From business email compromise (BEC) to QR phishing and account takeovers, these threats are designed…

Cloudflare Radar celebrated its fourth birthday in September 2024. As we’ve expanded Radar’s scope over the last four years, the value that it provides as a resource for the global Internet has grown over time, and with Radar data and graphs often appearing in publications and social media around the world, we knew that we…

Cloudflare’s AI Audit dashboard allows you to easily understand how AI companies and services access your content. AI Audit gives a summary of request counts broken out by bot, detailed path summaries for more granular insights, and the ability to filter by categories like AI Search or AI Crawler. Today, we’re going one step further.…

The 2024 Cloudflare Radar Year in Review is our fifth annual review of Internet trends and patterns observed throughout the year at both a global and country/region level across a variety of metrics. In this year’s review, we have added several new traffic, adoption, connectivity, and email security metrics, as well as the ability to…

Since the late 1990s, millions have relied on the Internet for searching, communicating, shopping, and working, though 2.6 billion people (about 31% of the global population) still lack Internet access. Over the years, use of the Internet has evolved from email and static sites to social media, streaming, e-commerce, cloud tools, and more recently AI…

In 2024, Thanksgiving (November 28), Black Friday (November 29), and Cyber Monday (December 2) significantly impacted Internet traffic, similar to trends seen in 2023 and previous years. This year, Thanksgiving in the US drove a 20% drop in daily traffic compared to the previous week, with a notable 33% dip at 15:45 ET. In contrast,…

On November 14, 2024, Cloudflare experienced an incident which impacted the majority of customers using Cloudflare Logs. During the roughly 3.5 hours that these services were impacted, about 55% of the logs we normally send to customers were not sent and were lost. We’re very sorry this happened, and we are working to ensure that…

Distributed Denial of Service (DDoS) attacks are cyberattacks that aim to overwhelm and disrupt online services, making them inaccessible to users. By leveraging a network of distributed devices, DDoS attacks flood the target system with excessive requests, consuming its bandwidth or exhausting compute resources to the point of failure. These attacks can be highly effective…

When cable cuts occur, whether submarine or terrestrial, they often result in observable disruptions to Internet connectivity, knocking a network, city, or country offline. This is especially true when there is insufficient resilience or alternative paths — that is, when a cable is effectively a single point of failure. Associated observations of traffic loss resulting…