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26-0805
File

Unitel Outage Cut Voice and Data for 21 Million Angolans Over Eight Days

The resilience of a nation’s communications, held as a private company’s operational decision.

UnattributedTelecomAvailability
Sev 5TargetUnitelActorUnattributedAngola
26-0715
File

Salt Typhoon Campaign Reached More Than 600 Organisations Across 80 Countries

More than 600 organisations across 80 countries since 2019, including US carriers and the lawful-intercept systems they run. The metadata was always the point.

Salt TyphoonEdge & network devicesTelecomTelecom
Sev 5TargetTelecom carriers, multipleActorSalt TyphoonUSA
26-0623
File

Third-party Flaw Exposed 14.2 Million Mailboxes at KDDI and Five Other ISPs

A third-party software flaw reached email accounts across six Japanese providers. Choosing a different ISP bought no independence.

UnattributedThird-party softwareTelecomThird party
Sev 3TargetKDDI and five other ISPsActorUnattributedJapan
26-0529
File

The Record Attack Was Pointed at the Phone Network

Carriers are the target, the transit and the only party who can see an individual compromised device. The benefit of acting accrues to everyone else.

MultipleVolumetric DDoSTelecomTelecom
Sev 4TargetTelecommunications carriersActorMultiple
26-0526
File

Charter Discloses Vishing Breach Affecting 4.9 Million Customer Accounts

A vishing call against an employee’s Entra account, then customer records in a connected CRM. The reported total has moved from 4.9 million upward.

ShinyHuntersVishing → EntraTelecomIdentity
Sev 4TargetCharter CommunicationsActorShinyHunters
26-0302
File

Three Million Routers, and a Record Set at 31.4 Terabits

Four botnets, three million consumer devices, a record 31.4 Tbps. The record measures domestic bandwidth growth, not attacker skill.

MultipleEnforcement actionTelecomEnforcement
Sev 4TargetConsumer IoT device estateActorMultipleUSA
26-0212
File

Odido Contact System Compromise Affected up to 6.4 Million Customers

6.2 million subscribers over a weekend. Weekend timing is the one adversary behaviour you can plan against precisely.

UnattributedUnder reviewTelecomTelecom
Sev 4TargetOdidoActorUnattributedNetherlands
26-0205
File

The Phone Number Became National Identity Infrastructure by Accident

A number identifies a billing relationship. It now secures banking and government access, and the depending services cannot see a port request.

MultipleNumber portability abuseTelecomInfrastructure
Sev 4TargetAccount recovery infrastructureActorMultiple
26-0120
File

FBI Recorded Almost $26 Million in SIM Swap Losses in a Single Year

Most victims had no opportunity to behave differently. The failure was entirely at the carrier, and awareness training addresses none of it.

MultipleSIM swapTelecomIdentity
Sev 4TargetMobile subscribersActorMultipleUSA
26-0105
File

The Regulator Told Carriers to Make It Harder

The duty sits with the originating carrier because nobody else can act. It pushes directly against portability rules written by the same regulator.

UnattributedRegulatoryTelecomMethod
Sev 3TargetWireless carriersActorUnattributed
25-1128
File

Eurofiber Breach Exposed Documentation of European Network Infrastructure

Where fibre runs, which routes carry which customers, where the single points of failure sit — a dependency map for organisations that were never asked.

UnattributedTelecomThird party
Sev 4TargetEurofiberActorUnattributed
25-1112
File

A Million Users’ Metadata Is Not a Lesser Breach

Content tells you what a known person said. Metadata tells you who the people are — and it is the one that scales.

Salt TyphoonLawful-intercept infrastructureTelecomAnalysis
Sev 4TargetTelecom subscribersActorSalt Typhoon
25-1109
File

Qilin Led Telecom Ransomware Activity in 2025, Ahead of Akira and Play

An ecosystem-wide long tail alongside sector concentration. Both are true, and it complicates the corpus’s own argument.

QilinRansomware-as-a-serviceTelecomActors
Sev 4TargetTelecommunications sectorActorQilin
25-0909
File

SFR Discloses Breach Involving Banking Details Weeks After Bouygues

Where a sector has four participants, two incidents approach population-scale coverage.

UnattributedTelecomTelecom
Sev 3TargetSFRActorUnattributedFrance
25-0827
File

FBI Says Salt Typhoon Reached 200 Companies Across 80 Countries

Lodging looks out of place on that sector list. It is not — hotels, transport and telecom metadata resolve a person’s movement over time.

Salt TyphoonVariousTelecomTelecom
Sev 5TargetGlobal infrastructure operatorsActorSalt TyphoonUSA
25-0804
File

Bouygues Telecom Attack Reached Data for 6.4 Million Customers

A card number is reissued in days. An IBAN is tied to a relationship most people keep for decades.

UnattributedTelecomTelecom
Sev 4TargetBouygues TelecomActorUnattributed
25-0725
File

Nobody Is Collecting Hotel Records for the Hotel Records

A hotel record is the join key that turns location-adjacent data into confirmed physical presence. No DPIA has a field for that.

Salt TyphoonVariousTelecomAnalysis
Sev 4TargetMultiple sectorsActorSalt Typhoon
25-0720
File

Telecom Operators Hold Payment and Identity Data Without Financial Regulation

The data followed the obligation and the supervision did not follow the data.

MultipleVariousTelecomAnalysis
Sev 3TargetTelecom subscribersActorMultiple
25-0718
File

Americas Recorded the Most Telecom Incidents, With 47 in the US

When the number favours the jurisdiction this corpus covers best, the same discount applies.

MultipleVariousTelecomTelecom
Sev 3TargetTelecommunications sectorActorMultipleUSA
25-0716
File

Research Identified 444 Telecom Incidents Involving Data Theft

444 counts events. 133 counts things somebody assessed as saleable and put on the market.

MultipleData theftTelecomTelecom
Sev 3TargetTelecommunications sectorActorMultiple
25-0714
File

Ransomware Against Telecoms Rose Fourfold Between 2022 and 2025

A sector whose failure would degrade the response to every other incident in this database.

MultipleRansomwareTelecomTelecom
Sev 4TargetTelecommunications sectorActorMultiple
25-0623
File

Salt Typhoon Reached Viasat via Remote Management Links, Reporting Says

Nobody attacks a satellite. Every practical route to a constellation runs through a building with a remote management link.

Salt TyphoonRemote management abuseTelecomSatellite
Sev 4TargetViasatActorSalt Typhoon
25-0304
File

Salt Typhoon Reached US Carriers Through CALEA Lawful-Intercept Systems

The vulnerability was not a defect in the implementation. It was the specification — and the thirty-year exceptional-access debate now has an empirical entry.

Salt TyphoonLawful-intercept infrastructureTelecomTelecom
Sev 5TargetUS telecommunications carriersActorSalt TyphoonUSA
25-0213
File

Salt Typhoon Compromised Five Telecoms Firms During the Sanctions Period

Sanctions work against organisations that need the financial system. A state intelligence service has no revenue to interdict.

Salt TyphoonTelecomTelecom
Sev 4TargetTelecommunications firmsActorSalt TyphoonUSA
24-1203
File

The Government Told Everyone to Encrypt

Advice to change your own behaviour is what a defender issues when it cannot change the thing that is broken.

Salt TyphoonTelecomAccountability
Sev 5TargetUS telecommunications carriersActorSalt TyphoonUSA
24-1029
File

Cloudflare Absorbed Its Largest Recorded Volumetric Attack Automatically

Eighty seconds is less time than it takes to read an alert. A defence that depends on somebody noticing has already lost.

UnattributedUDP flood, Mirai-variant botnetTelecomAvailability
Sev 3TargetEast Asian internet providerActorUnattributed
24-1026
File

French ISP Free Lost 19.2 Million Records Including 5.11 Million IBANs

A card can be reissued in days. A bank account number is the account.

UnattributedTelecomTelecom
Sev 5TargetFree SASActorUnattributedFrance
24-1006
File

The Interception the Law Required Was the Interception They Used

Nothing in the design distinguishes a lawful request from an unlawful one. That distinction lives entirely in the process wrapped around it.

Salt TyphoonTelecomUnpatchable
Sev 5TargetLawful-intercept systemsActorSalt Typhoon
24-1004
File

Inside the Carriers, and Nobody Could Say for How Long

There is no moment at which the attacker chooses to be seen — which is the moment most of this database is built around.

Salt TyphoonTelecomStatecraft
Sev 5TargetUS telecommunications carriersActorSalt TyphoonUSA
24-0712
File

AT&T Says Call and Text Records for Nearly All Mobile Customers Were Taken

A number is not a name until somebody looks it up, and looking it up is trivial. What the set contains is a contact graph.

UNC5537Valid credentials, no MFATelecomConcentration
Sev 5TargetAT&TActorUNC5537USA
24-0417
File

Frontier Communications Notified 750,000 People After RansomHub Attack

A notification count is a floor, not a total. It covers who the company could name.

RansomHubTelecomTelecom
Sev 4TargetFrontier CommunicationsActorRansomHubUSA
23-1218
File

Comcast Says Citrix Bleed Reached Xfinity Data on 35.8 Million Customers

Six days between patch and intrusion. Faster than most manage, and longer than the window now exists.

UnattributedMemory disclosureTelecomTelecom
Sev 4TargetComcast XfinityActorUnattributedUSA
23-1212
File

Ukraine Says Sandworm Sat in Kyivstar for Months Before Destroying It

The missing measurement is not lost revenue. It is warnings that did not reach people.

SandwormTelecomTelecom
Sev 5TargetKyivstarActorSandwormUkraine
23-0223
File

Dish Network Customers Spent Days Unable to Reach a Company That Could Not Reach Itself

The mechanism for reaching the company was part of the same incident.

UnattributedRansomwareTelecomAvailability
Sev 4TargetDISH NetworkActorUnattributedUSA
23-0119
File

T-Mobile Says One API Gave up Data on 37 Million Accounts

Six weeks to notice, one day to fix. Time to fix is almost never the constraint.

UnattributedAPI abuseTelecomTelecom
Sev 4TargetT-Mobile USActorUnattributedUSA
22-0922
File

An API That Asked for Nothing, and 9.8 Million Customer Records

There was no exploit. The endpoint answered anyone who asked, because nothing asked who was calling.

UnattributedUnauthenticated APITelecommunicationsIdentity
Sev 5TargetOptusActorUnattributedAustralia
22-0224
File

A Wiper Aimed at Ukraine Took 5,800 German Wind Turbines off Monitoring

Germany was not the target. The turbines were on the same satellite, and the wiper did not check.

SandwormNetwork management compromiseTelecommunicationsInfrastructure
Sev 5TargetViasat KA-SAT usersActorSandwormUkraine
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