Overview
Last 48 hours
Index of Trends
PQ key exchange reached 51.04% globally, more than doubling year-over-year from 24.55%.
Mar 11, 2026
Internet connectivity in Iran dropped ~98% starting 07:00 UTC following military strikes.
Feb 28, 2026
Radar now tracks post-quantum encryption support on origin servers.
Feb 27, 2026
Nationwide power outage caused significant traffic drop starting Feb 23.
Feb 24, 2026
Hetzner traffic dropped ~50% with 100x surge in BGP announcements.
Feb 25, 2026
Traffic dropped -72% following electrical transmission lines failure.
Feb 18, 2026
Traffic dropped up to 70% in Leiria; ~1M households lost power.
Feb 10, 2026
Traffic drops of up to 25% during key game moments.
Feb 9, 2026
Hyper-volumetric attacks exceeding 1 Tbps increasingly frequent.
Feb 5, 2026
Last observed outage ↗
Internet disruptions observed in analysis of Cloudflare traffic
Location
ASN
—
Type
Cause
Nationwide
Government Directed
Start
End
Sat, Feb 28, 2026, 07:00 UTC
—
DDoS threat report for 2025 Q4
Application and Network layer DDoS attack trends
Radar reportFeb 2026
Bringing more transparency to post-quantum usage, encrypted messaging, and routing security
Cloudflare Radar has added new tools for monitoring PQ adoption...
Feb 2026
Security & Attacks ↗
Insight into network and application layer attack traffic
Layer 7 Attacks ↗
Top Mitigation Techniques
WAF
55.7%
DDoS
39.5%
IPR
2.3%
Other
2.4%
1.1.1.1 Resolver ↗
Insights based on DNS queries to 1.1.1.1 resolver
DNS transport protocol ↗
Top Protocols
UDP
84.4%
DoT
7.1%
DoH
5.3%
TCP
3.1%
Reports
DDoS threat report for 2025 Q1
Application and Network layer DDoS attack trends
Storm Kristin: Internet Impact in Portugal
Disruptions caused by Storm Kristin across Portuguese regions
Search Engine Referral Report for 2025 Q4
Search engine market share based on referral data
Reports
Longer-form content covering specific subjects
| Title | Description | Tags | Date |
|---|---|---|---|
| Iran Internet Shutdown — Feb 2026 | Near-total shutdown following military strikes | Outage Iran | Feb 28, 2026 |
| Storm Kristin: Internet Impact in Portugal | Disruptions caused by Storm Kristin | Outage Weather | Feb 10, 2026 |
| DDoS threat report for 2025 Q1 | Application and Network layer DDoS attack trends | DDoS | Apr 29, 2025 |
| Iran Internet Shutdown — January 2026 | Multi-week shutdown amid protests | Outage Iran | Jan 8, 2026 |
| Search Engine Referral Report for 2025 Q4 | Search engine market share based on referral data | Search Engines | Jan 26, 2026 |
| Browser Market Share Report for 2025 Q4 | Browser market share based on user-agent and client-hints | Browser | Jan 26, 2026 |
| Year in Review 2025 | Worldwide trends that shaped the Internet | Year in Review | Dec 15, 2025 |
| DDoS threat report for 2025 Q3 | Application and Network layer DDoS attack trends | DDoS | Dec 3, 2025 |
Latest blog posts
Cloudflare Blog ↗Bringing more transparency to post-quantum usage
New tools for monitoring PQ adoption and routing security...
ASPA: making Internet routing more secure
The cryptographic upgrade for BGP...
Cable cuts, storms, and DNS: Q4 2025 disruptions
Several notable disruptions to Internet connectivity...
Index of Trends
PQ key exchange reached 51.04% of HTTP requests, doubling YoY from 24.55%.
Mar 11, 2026
Traffic dropped ~98% starting 07:00 UTC following military strikes.
Feb 28, 2026
Hetzner traffic dropped ~50% with 100x surge in BGP announcements.
Feb 25, 2026
Traffic dropped -99% within 30 minutes during election-period shutdown.
Jan 13, 2026
Traffic dropped up to 70% in Leiria; ~1M households lost power.
Feb 10, 2026
Traffic drops of up to 25% during key game moments.
Feb 9, 2026
Hyper-volumetric attacks exceeding 1 Tbps increasingly frequent.
Feb 5, 2026
Index of Trends
Internet trends, outages, traffic shifts, protocol changes, and Radar updates — archived and searchable.
Categories
All
Outages
DDoS
Internet Traffic
BGP / Routing
Protocol Adoption
Events
Weather
Radar Updates
Automated trends by country
Mar 11, 2026
Post-Quantum encryption crosses 50% of global HTTP traffic
Post-quantum key exchange (ML-KEM) reached 51.04% of global HTTP requests in February 2026, up from 24.55% a year earlier. All 50 top-traffic countries saw double-digit percentage-point increases. Chrome/Chromium remains the primary adoption driver.
Feb 28, 2026
Iran: Near-total Internet shutdown amid military strikes
Internet connectivity in Iran dropped approximately 98% starting around 07:00 UTC on February 28, following reports of military strikes. BGP route withdrawals confirmed a government-directed nationwide shutdown. All major regions — Tehran, Fars, Isfahan, Alborz Province, and Razavi Khorasan — showed near-total traffic collapse. Traffic spikes observed in Qatar (+41%), Abu Dhabi (+30%), Dubai (+21%), and Israel (+50%).
Feb 27, 2026
Post-Quantum Encryption & Key Transparency now on Radar
Radar now tracks post-quantum encryption support on origin servers, provides a tool to test any host for post-quantum compatibility, and introduces a Key Transparency dashboard for monitoring E2EE messaging audit logs. The new Post-Quantum page shows the share of customer origins supporting X25519MLKEM768.
Feb 25, 2026
Hetzner Online: Major outage affects hosting infrastructure
Hetzner traffic dropped ~50% with a 100x surge in BGP announcements, indicating a major routing event affecting hosted services across Europe.
Feb 24, 2026
Dominican Republic: power outage disrupts nationwide connectivity
A nationwide power outage caused a significant drop in Internet traffic starting around 14:50 UTC on February 23. Connectivity was largely restored by 03:53 UTC on February 24. Traffic patterns consistent with a large-scale power failure rather than a directed shutdown.
Feb 18, 2026
Paraguay: Nationwide power outage disrupts connectivity
Traffic dropped -72% following the failure of electrical transmission lines, causing a nationwide power outage across Paraguay.
Feb 10, 2026
Storm Kristin: Internet disruptions across Portugal
Storm Kristin made landfall January 28 with winds up to 150 km/h, causing power outages affecting ~1 million households. Traffic in Leiria dropped ~70%, Coimbra ~52%. After 8 days, ~78,000 households remained without power. Starlink traffic surged 30% above the best week of 2025 as users turned to satellite connectivity.
Feb 10, 2026
FLOW Grenada: Network outage takes provider offline
FLOW Grenada experienced a -75% traffic drop to near-complete outage due to a network connection issue. Slow recovery followed.
Feb 9, 2026
Super Bowl LX: Internet traffic patterns across U.S. states
Traffic drops of up to 25% during key game moments in top football markets, with a sharp rebound during halftime. DNS queries to major streaming platforms surged pre-kickoff. State-level analysis reveals the strongest traffic dips in traditionally high-viewership states.
Feb 5, 2026
DDoS threat report: 20.5M attacks in Q1 2025
Cloudflare mitigated a record number of DDoS attacks in Q4 2025. Hyper-volumetric attacks exceeding 1 Tbps became significantly more frequent. Financial services and gaming were the most targeted sectors, with application-layer attacks growing particularly fast.
Jan 31, 2026
Ukraine & Moldova: Power grid disruption impacts connectivity
Traffic dropped -46% in Kyiv and Kharkiv following power grid problems linked to military action. Moldova was also affected. Partial recovery occurred as grid stability was restored.
Jan 13, 2026
Uganda: 101-hour Internet shutdown during elections
Traffic dropped -99% within 30 minutes of the shutdown order. The government-directed Internet blackout lasted 101 hours during the election period.
Jan 8, 2026
Iran: Multi-week Internet shutdown amid protests
Complete shutdown lasting 14+ days. IPv6 dropped 98.5% first, then total traffic to zero by 18:45 UTC. Longest shutdown since Dec 2022.
Jan 5, 2026
Iran: Internet shutdown during exam period (Jan 5)
Iranian authorities shut down Internet connectivity from ~14:45 UTC on January 5 to ~07:15 UTC on January 6, coinciding with nationwide university entrance exams. This is a recurring pattern. BGP data shows partial route withdrawals during the disruption window.
Oct 29, 2025
Tanzania: Near-complete outage amid election protests
Traffic dropped -90% at 09:30 UTC amid election protests. A brief 26-hour recovery was followed by a second disruption.
Oct 29, 2025
Hurricane Melissa: Jamaica connectivity severed
Traffic dropped -70% as Hurricane Melissa struck Jamaica. Disruption lasted 4+ days as -50% traffic persisted across the island.
Oct 13, 2025
Vodafone UK: Complete traffic loss for ~2 hours
100% traffic loss for approximately 2 hours across Vodafone UK's network. Full recovery followed the outage.
Jan 19, 2025
TikTok shutdown: DNS traffic drops 85% in the US
DNS traffic to TikTok dropped 85% after 03:00 UTC. ByteDance AS traffic dropped 95%. Alternatives like Xiaohongshu surged +697% in the US.
18 entries