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Joao Tome

54 articles by Joao Tome.

Security — How a volunteer-run wildfire site in Portugal stayed online during DDoS attacks

How a volunteer-run wildfire site in Portugal stayed online during DDoS attacks

Fogos.pt, a volunteer-run wildfire tracker in Portugal, grew from a side project into a critical national resource used by citizens, media, and government. During 2025 fire season it was hit by DDoS attacks, but stayed online thanks to Cloudflare’s protections under Project Galileo.How a volunteer-run wildfire site in Portugal stayed online during DDoS attacks

JTJoao TomeJoao Tome·August 21, 2025Security
Engineering — The fall and rise of TikTok (traffic)

The fall and rise of TikTok (traffic)

On January 19, 2025, ByteDance suspended TikTok and related apps for US users. We examine the 14-hour traffic plunge, recovery near Donald Trump’s inauguration, and how alternatives like RedNote surged.

JTJoao TomeJoao Tome·January 21, 2025Engineering
Security — How to stay safe from phishing

How to stay safe from phishing

Phishing attacks come in all sorts of ways to fool people. Email is definitely the most common, but there are others. Here are some tips to help you catch these scams before you fall for them.

JTJoao TomeJoao Tome·March 13, 2023Security
Engineering — Deep dives & how the Internet works

Deep dives & how the Internet works

We have amazing deep dives in our blog, but also research and how the Internet works kind of stories. Here are some highlights from 2022, and before (with glimpses of our history).

JTJoao TomeJoao Tome·August 25, 2022Engineering
Engineering — Eurovision 2022, the Internet effect version

Eurovision 2022, the Internet effect version

The 66th edition of the Eurovision Song Contest, in Turin, Italy, had two semi-finals (May 10 and 12) and a final (May 14), all of them with highlights, including Ukraine’s victory. The Internet was impacted in more than one way, from whole countries to the fan and official broadcasters sites, but also video platforms.

JTJoao TomeJoao Tome·May 19, 2022Engineering
Engineering — How Ramadan shows up in Internet trends

How Ramadan shows up in Internet trends

What happens to the Internet traffic in countries who observe Ramadan? Depending on the country, we see clear shifts and changing patterns in Internet use, particularly before dawn and after sunset.

JTJoao TomeJoao Tome·May 16, 2022Engineering
SRE & Ops — Internet is back in Tonga after 38 days of outage

Internet is back in Tonga after 38 days of outage

Tonga, the South Pacific archipelago nation (with 169 islands), was reconnected to the Internet this early morning (UTC) and is back online after successful repairs to the undersea cable that was damaged on Saturday, January 15, 2022, by the January 14, volcanic eruption

JTJoao TomeJoao Tome·February 22, 2022SRE & Ops
SRE & Ops — Tonga’s likely lengthy Internet outage

Tonga’s likely lengthy Internet outage

The latest Internet outage, in the South Pacific country of Tonga (with 169 islands), is still ongoing. It started with the large eruption of Hunga Tonga–Hunga Haʻapai, an uninhabited volcanic island of the Tongan archipelago on Friday, January 14, 2022

JTJoao TomeJoao Tome·January 19, 2022SRE & Ops
Languages — How the US paused shopping (and browsing) for Thanksgiving

How the US paused shopping (and browsing) for Thanksgiving

Throughout the pandemic we saw different trends caused by people being more at home than usual, but Internet patterns also change at specific times of the year (like when students go back to school or when it’s colder outside) or on some holidays like Thanksgiving.

JTJoao TomeJoao Tome·November 26, 2021Languages
Engineering — Burkina Faso Internet shutdown

Burkina Faso Internet shutdown

People living in Burkina Faso are facing an Internet shutdown. Cloudflare Radar shows that after 22:00 UTC (the same local time) Internet traffic went down significantly, something that has happened in the context of social tensions in the country that started on November 14, 2021.

JTJoao TomeJoao Tome·November 22, 2021Engineering
Engineering — Where is mobile traffic the most and least popular?

Where is mobile traffic the most and least popular?

We used Cloudflare Radar to find out those countries on the planet that have more (and less) mobile traffic on the Internet. Africa and the Middle East are the areas of the planet where mobile traffic dominates the Internet experience

JTJoao TomeJoao Tome·October 9, 2021Engineering