Cloudflare

Aisuru botnet turns Q3 into a terabit-scale stress test for the entire internet

Cloudflare data shows 29.7 Tbps record-breaker landed amid 87% surge in network-layer attacks

Cyber-crime04 Dec 2025 | 21

Cloudflare broke itself – and a big chunk of the Internet – with a bad database query

Thought it was the victim of a ‘hyper-scale DDoS attack’ before finding the fix

Databases19 Nov 2025 | 83

Cloudflare coughs, half the internet catches a cold

Updated Outage leaves users staring at error pages while recovery crawls along

Networks18 Nov 2025 | 154

ISPs more likely to throttle netizens who connect through carrier-grade NAT: Cloudflare

When operators see danger, innocent users are dragged down along with bad actors

Networks03 Nov 2025 | 101

Cloudflare Q3 report shows the internet still breaks for the strangest reasons

From natural disasters to stray bullets and exams, it's been a shaky quarter for the world's connectivity

Networks28 Oct 2025 | 4

Cloudflare DDoSed itself with React useEffect hook blunder

Dashboard loop caused API outage that was hard to troubleshoot

Networks18 Sep 2025 | 10

Microsoft blocks bait for ‘fastest-growing’ 365 phish kit, seizes 338 domains

Redmond names alleged ringleader, claims 5K+ creds stolen and $100k pocketed

Cyber-crime16 Sep 2025 | 5

How big will this Drift get? Cloudflare cops to Salesloft Drift breach

Show of hands: who WASN'T targeted?

Cyber-crime02 Sep 2025 | 8

Power cuts, cable damage, and government shutdowns behind Q2 internet outages

Loads of unexplained ones, too. Maybe normalize providing a freaking reason for multi-hour outages, mmm?

Networks23 Jul 2025 | 6

Cloudflare fesses up to config change that borked internet access for all

Down and out for hour, claims CDN biz. No, say users, more like three

Networks16 Jul 2025 | 33

Cloudflare creates AI crawler tollbooth to pay publishers

ai-pocalypse The bargain between content makers and crawlers has broken down

AI + ML01 Jul 2025 | 21

Sneaky Serpentine#Cloud slithers through Cloudflare tunnels to inject orgs with Python-based malware

Phishing, Python and RATs, oh my

Cyber-crime19 Jun 2025 | 2

Google Cloud goes down, takes Cloudflare and its customers with it

UPDATED Big G said it was fixed, but acknowledged ongoing customer pain

PaaS + IaaS12 Jun 2025 | 55

Cloudflare builds an AI to lead AI scraper bots into a horrible maze of junk content

Slop-making machine will feed unauthorized scrapers what they so richly deserve, hopefully without poisoning the internet

AI + ML21 Mar 2025 | 49

Cloudflare's bot bouncer blocks weirdo browsers

Not on Firefox or a Chrome derivative? You shall not pass

Software04 Mar 2025 | 68

Cloudflare hopes to rebuild the Web for the AI age - with itself in the middle

Also claims it’s found DeepSeek-eque optimizations that reduce AI infrastructure requirements

Networks10 Feb 2025 | 11

Who is DDoSing you? Rivals, probably, or cheesed-off users

Plus: 'Largest-ever' duff traffic tsunami clocks in at 5.6 Tbps

Networks23 Jan 2025 | 7

What happens when someone subpoenas Cloudflare to unmask a blogger? This...

Ex-politician in UK claims he's been defamed – and goes to court in US for answers

Legal09 Jan 2025 | 89

2024 according to Cloudflare: Global traffic up, Google still king, US churning out bots

Same old same old really

Off-Prem13 Dec 2024 | 9

The only thing worse than being fired is scammers fooling you into thinking you're fired

Scumbags play on victims' worst fears in phishing campaign referencing UK Employment Tribunal

Cyber-crime28 Nov 2024 | 50

Cloudflare broke its logging-as-a-service service, causing customer data loss

Software snafu took five minutes to roll back. The mess it made took hours to clean up

Off-Prem27 Nov 2024 | 5

Cloudflare beats patent troll so badly it basically gives up

Networking giant pockets $225K, foe promises to stop suing and abandons IP

Networks03 Oct 2024 | 67

Cloudflare tightens screws on site-gobbling AI bots

When robots.txt just ain't cutting the mustard

AI + ML24 Sep 2024 | 13

Cloudflare calls for regulatory harmonization amid rising internet challenges

Interview Removing security services not always the best way to tackle problematic content

Off-Prem20 Aug 2024 | 11

Cloudflare debuts one-click nuke of web-scraping AI

Take that for ignoring robots.txt!

Off-Prem03 Jul 2024 | 49

Polyfill.io claims reveal new cracks in supply chain, but how deep do they go?

Opinion There will always be bad actors in the system. We can always learn from the drama they create

Security01 Jul 2024 | 19

Polyfill.io owner punches back at 'malicious defamation' amid domain shutdown

Updated No supply-chain attacks to see over here!

Research28 Jun 2024 | 28

FlyingYeti phishing crew grounded after abominable Ukraine attacks

Kremlin-aligned gang used Cloudflare and GitHub resources, and they didn't like that one bit

Cyber-crime31 May 2024 | 1

Cloudflare CEO sues over free-roaming fidos at his ski resort paradise

Who let the dogs out?

Bootnotes29 Apr 2024 | 32

Cloudflare says it has automated empathy to avoid fixing flaky hardware too often

'Error budget' and other server maintenance/site reliability secrets revealed

Off-Prem26 Mar 2024 | 14

Cloudflare wants to put a firewall in front of your LLM

Claims to protect against DDoS, sensitive data leakage

Security05 Mar 2024 | 2

Cloudflare defeats another patent troll with crowd-sourced prior-art army

The bounty payouts may be high, but Project Jengo doesn't miss

Networks12 Feb 2024 | 23

Cloudflare joins the 'we found ways to run our kit for longer' club

Finds modest savings, but isn't modest about ability to land big customers or sell AI

Off-Prem09 Feb 2024 | 14

Cloudflare sheds more light on Thanksgiving security breach in which tokens, source code accessed by suspected spies

Atlassian systen compromised via October Okta intrusion

CSO02 Feb 2024 | 14

Cloudflare defends firing of staffer for reasons HR could not explain

Updated It's certainly not a layoff, net-taming biz insists

On-Prem15 Jan 2024 | 123

Cloudflare dishes up the stats on internet traffic in 2023

Web's growing, Google's gloating, and US bots are roaming

Networks13 Dec 2023 | 9

Vanishing power feeds, UPS batteries, failover fails... Cloudflare explains that two-day outage

A little peek behind the control panel, analytics curtain

On-Prem07 Nov 2023 | 27

Cloudflare dashboard, API service feeling poorly due to datacenter power snafu

Right on time for results day

Off-Prem02 Nov 2023 | 8

1Password confirms attacker tried to pull list of admin users after Okta intrusion

Says logins are safe, as high-profile customers complain they knew about the breach before Okta

Cyber-crime24 Oct 2023 | 9

Cloudflare exiles baseboard management controller from its server motherboards

Puts Datacenter-ready Secure Control Modules to work in boxen built by Lenovo

Systems17 Oct 2023 | 1

HTTP/2 'Rapid Reset' zero-day exploited in biggest DDoS deluge seen yet

Botnet storm drowned last record with 398 million requests per second

CSO10 Oct 2023 | 13

Cloudflare loosens AI from the network edge using GPU-accelerated Workers

Isn't that how Skynet took over?

AI + ML28 Sep 2023 |

No joke: Cloudflare takes aim at Google Fonts with ROFL

Reckons it can deliver Comic Sans faster and keep your shame a secret

Software26 Sep 2023 | 39

Cloudflare opposes Europe's plan to make Big Tech help pay for networks

Prefers open peering – from which it profits

Networks09 May 2023 | 14

Record-breaking number of record-breaking DDoS attacks confirmed

And growing abuse of cloud – because using hijacked Brazilian cable modems to down sites is so 2013

Security14 Feb 2023 |

Cloudflare engineer broke rules – and a customer's website – with traffic throttle

Updated Those who think Big Tech has its thumb on the scales are going to love this

Off-Prem09 Feb 2023 | 24

Email hijackers scam food out of businesses, not just money

In brief Also, TLC gets schooled by Karakurt, and Cloudflare is offering free zero trust stuff to some small companies

Security17 Dec 2022 | 16

Cloudflare hikes prices by a quarter, blames the accountants

Cash flow is king, even in the cloud

SaaS01 Dec 2022 | 12

Cloudflare finds a way through China's network defences

Teams with locals to allow consistent security policy to make it through the Great Firewall

Security30 Nov 2022 | 9

Azure extends DDoS attack protection down to small business users, for a fee

Microsoft moves IP Protection into public preview

Software22 Nov 2022 | 2

Robin Banks crooks back at the table with fresh phish from Russia

Phishing-as-a-service group's toolset now includes ways to get around MFA

Research08 Nov 2022 | 1

It's 2058. A quantum computer is just another decade away. Still, you curse Cloudflare

Assuming this Kyber TLS stuff works as expected

Security03 Oct 2022 | 3

Cloudflare's invisible CAPTCHA works by probing browsers with JavaScript

Beta-grade widget respects your privacy, we're promised

Software28 Sep 2022 | 31

Cloudflare stops services to 'revolting' hate site

Escalation of targeted threats is an 'emergency' that required 'dangerous' decision 'we are not comfortable with,' says CEO

PaaS + IaaS05 Sep 2022 | 152

Cloudflare: Someone tried to pull the Twilio phishing tactic on us too

Attack was foiled by content delivery network's hardware security keys

Security10 Aug 2022 | 10

Student crashes Cloudflare beta party, redirects email, bags a bug bounty

Simple to exploit, enough to pocket $3,000

Research04 Aug 2022 | 8