Cloudflare Knocks Zoom, LinkedIn, Twitter and TfL Offline in Global Outage

Cloudflare Knocks Zoom, LinkedIn, Twitter and TfL Offline in Global Outage

05 December, 20257 sources compared
Technology and Science

Key Points from 7 News Sources

  1. 1

    Cloudflare outage knocked LinkedIn, Zoom, Twitter and Transport for London offline worldwide

  2. 2

    Cloudflare investigated Dashboard and API failures, implemented a fix, and restored services

  3. 3

    Cloudflare suffered a second major outage in under three weeks

Full Analysis Summary

Cloudflare outage overview

A major Cloudflare outage on Friday morning knocked large swathes of the internet offline for roughly 20 minutes (about 08:52–09:13 GMT/UK).

Users were confronted with empty pages and service errors across many high-profile sites.

Reported disruptions included X (Twitter), Zoom, LinkedIn, Canva, Substack, Shopify, Coinbase, Discord, Deliveroo, TfL and Vinted, and monitoring site DownDetector briefly showed errors while logging thousands of reports.

Many affected services were reported back online after the short disruption.

Coverage Differences

Narrative emphasis / scope

Sources list different mixes of affected services and emphasise the scale differently: the Mirror (Western Tabloid) highlights X/Twitter, Substack, LinkedIn and Canva and notes a brief 20‑minute outage; the London Evening Standard (Local Western) provides a longer spreadsheet of services including Zoom, Discord, Deliveroo and TfL; the Shropshire Star (Local Western) emphasises LinkedIn, Zoom, Shopify and notes DownDetector and a Groww incident; the Associated Press (Western Mainstream) frames the event in the context of other recent cloud outages. Each source is reporting observed outages or company statements rather than placing identical emphasis on specific platforms.

Tone

Tone varies: tabloid Mirror uses concise, attention-grabbing language about high-profile sites being knocked offline; Evening Standard gives a measured local-service list and technical symptoms; AP places the incident in wider infrastructure risk terms. These differences reflect each source_type’s editorial focus rather than contradicting the basic facts.

Cloudflare outage explanations

Cloudflare and its technical leads told reporters the incident was not being treated as an attack and pointed to recent configuration or maintenance changes as the proximate cause.

The Mirror quoted Cloudflare's CTO Dane Knecht saying the issue was not being treated as an attack and linked the failure to disabling some logging while mitigating a recent React CVE.

The London Evening Standard said engineers traced errors to Workers and Workers KV, citing empty pages from the list API and increased Workers script errors after that logging was disabled.

The Associated Press reported an alternative but related explanation: a firewall request-handling change and a database change during planned maintenance 'went slightly awry' and overloaded systems.

The Shropshire Star said Cloudflare reported problems with its Dashboard and related APIs.

Coverage Differences

Technical cause / emphasis

Sources report related but not identical technical explanations: The Mirror and Evening Standard both report Cloudflare saying the outage followed disabling logging intended to mitigate a React CVE and cite Workers/Workers KV errors (Evening Standard); AP frames it as a firewall/database change during maintenance that overloaded systems and quotes a third‑party expert (Richard Ford). Shropshire Star focuses on Dashboard and related API problems. These are different aspects of the same incident reported by different sources rather than direct contradictions in the basic facts reported by Cloudflare.

Outage impact summary

The outage's immediate visible effects varied by observer: users encountered blank pages and hosting or connection errors.

DownDetector registered anywhere from a few thousand to more than 4,500 reports, depending on the source.

At least one regional company, India-based broker Groww, reported transient problems tied to the global disruption.

DownDetector itself briefly returned a 500 error even as it tracked incident reports.

Coverage Differences

Measurement / counts

Reported totals from DownDetector differ across outlets: the London Evening Standard said Downdetector logged over 2,000 reports but undercounted (and itself showed a 500 error); the Shropshire Star reported more than 4,500 reports; the Mirror said most sites were reported back online via DownDetector but noted the monitor was itself impacted. These are reporting differences in the monitoring feed and do not imply contradictory underlying user experience, which multiple outlets agree involved empty pages and service failures.

Local impact vs broader trend

Some outlets highlighted localized knock‑on effects while others emphasised systemic risk: Shropshire Star names Groww as briefly affected; AP and the Mirror emphasise the risk of consolidation and the possibility of regulatory attention. This reflects source_type differences (local reporting vs national/international context).

Cloud outage implications

Reporting placed the outage in a broader pattern of cloud-provider incidents and urged steps to reduce single points of failure.

The Evening Standard noted that Cloudflare serves an estimated 20% of websites and urged firms to consider multiple cloud, CDN and authentication providers.

The Mirror and Associated Press framed the disruption as part of a series of recent high-profile outages and quoted lawyers and experts warning about systemic risk and potential regulatory scrutiny under rules such as DORA, NIS2 and new UK operational resilience requirements.

The Shropshire Star reiterated that many affected sites have since come back online.

Coverage Differences

Prescriptive vs contextual framing

Evening Standard (Local Western) uses the outage to urge practical mitigations for companies (multiple providers, reduce single points of failure), whereas Mirror (Western Tabloid) and AP (Western Mainstream) focus more on systemic risk, regulatory scrutiny and the trend of consolidating services. Shropshire Star continues to emphasise local impacts and recovery status. Each outlet is reflecting its editorial priorities: advice for local businesses, legal/regulatory framing, or straight reporting of restoration.

Cloudflare outage response

Cloudflare executives promised a full post‑mortem and fixes to reduce recurrence.

The Evening Standard reported the CTO and CEO vowed a full post‑mortem and changes to prevent a repeat, with Matthew Prince describing planned fixes.

The Shropshire Star said Cloudflare had implemented a potential fix and was monitoring the results.

AP quoted an outside expert who said a database change "went slightly awry," highlighting the vulnerability of centralised infrastructure.

The companies and outlets agreed on the immediate technical fault and on commitments to explain what went wrong and prevent a recurrence.

Coverage Differences

Company communication vs external analysis

Company statements (reported in the Evening Standard and Mirror) stress promises of a post‑mortem and planned fixes; AP supplements that with third‑party analysis about the maintenance database change and its consequences. Shropshire Star gives a near-term operational status (a potential fix being monitored). Together these perspectives cover company assurances, external technical diagnosis and on-the-ground mitigation.

All 7 Sources Compared

Associated Press

Cloudflare says service restored after outage that brought down sites including Zoom and LinkedIn

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London Evening Standard

Internet chaos as websites and apps including Zoom, LinkedIn and TfL go blank - live

Read Original

Shropshire Star

Global websites down as Cloudflare ‘investigating’ fresh issues

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SSBCrack News

Cloudflare Outage Disrupts Global Platforms: Trading Apps Zerodha and Groww Among Hardest Hit

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The Guardian

Cloudflare admits ‘we have let the Internet down again’ after outage hits major web services – as it happened

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The Mirror

Cloudflare down RECAP: Twitter, LinkedIn, Canva down in worldwide internet outage

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WSB-TV

Cloudflare says service restored after outage that brought down sites including Zoom and LinkedIn

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