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This is something you need to read in order to believe

subject: VoLTE
provider O2 UK
nightmare: infosec

Enormous. Outragerous are some of the words I would use. Take you time to read and learn because they are not the only culprits on the planet with such bad data protection practices

Excerpt

>>

Quite quickly I realised something was wrong. The responses I got from the network were extremely detailed and long, and were unlike anything I had seen before on other networks. The messages contained information such as the IMS/SIP server used by O2 (Mavenir UAG) along with version numbers, occasional error messages raised by the C++ services processing the call information when something went wrong, and other debugging information. However, most notable were a set of five headers near the bottom of the message:

SIP Msg
...
P-Mav-Extension-IMSI: 23410123456789
P-Mav-Extension-IMSI: 23410987654321
P-Mav-Extension-IMEI: 350266809828927
P-Mav-Extension-IMEI: 350266806365261
...
Cellular-Network-Info: 3GPP-E-UTRAN-FDD;utran-cell-id-3gpp=2341010037A60773;cell-info-age=26371

Synthesised excerpt of IMS signalling message for demonstration; not a genuine IMEI/IMSI/cell ID.

Two sets of IMSIs, two sets of IMEIs, and a Cell ID header. How curious…

Sure enough, when comparing both the IMSIs and IMEIs in the message to those of my own devices, I had been given both the IMSI and IMEI of my phone which initiated the call, but also the call recipient's.

<<
^Z

#O2 #UK #TeleCom #InfoSec #DataLeak #WTF

mastdatabase.co.uk/blog/2025/0…

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in reply to Dendrobatus Azureus

The image shows a webpage with a dark background and white text. The top of the page displays a browser window with the URL "mastodatabase.co.uk/2022/05/02/expose-customer-location-call-routing" visible in the address bar. The webpage is titled "Voice over LTE (VoLTE): Expose Customer Location Call Routing" and includes a table of contents with sections such as "Introduction," "O2 UK," "Signalling messages," "What I'd like to see change," "Conclusion," and "Notes." The "Introduction" section is expanded, providing a detailed explanation of VoLTE, its benefits, and the challenges it presents, particularly in terms of security and IMS implementations. The text discusses the increased complexity and device interoperability issues that have historically caused trouble with IMS implementations. The page also mentions the responsibility of mobile networks to ensure that their servers are up to date and secure, and that their configurations do not lead to unnecessary data leakage. The webpage is part of a blog, as indicated by the "MX Blog" and "MX Forum" links in the browser's address bar.

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Iran Opens Nuclear Think Tank iranpress.com/content/305213



Happy Saturday to all you cuties in my phone. Work day done, time to go home and have a burger. 🤤😘🩷
Unknown parent




Milwaukee Journal Sentinel: Wisconsin Humanities launches emergency campaign to prepare for ‘hibernation’. “Wisconsin Humanities, facing imminent shutdown after National Endowment for the Humanities funding was canceled in April, has launched an emergency fundraising campaign to safely protect its assets and nonprofit status. Founded in 1972, Wisconsin Humanities is an independent affiliate […]

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Announcement time!

Next week Johto Times will begin hosting polls to determine which of the 1025 Pokémon is the fans favourite!

Stay tuned for next week's issue of Johto Times, which will have full instructions on how you can cast your vote!

johto.substack.com

#Pokemon #Poll #JohtoTimes

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European and Arab leaders call Israel to stop the attacks in Gaza

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in reply to Kater Bilbo

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Finally found time today for the Clingendael Japanese garden. It only opens twice a year, each time for four or five weeks and is more than worth your time

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alla fine trump è un agente russo, e putin un agente usa. mutua distruzione assicurata. ognuno dei 2 sta suicidando il "proprio" paese. se non ci fosse il problema dei cambiamenti climatici ormai non ostacolati da nessuno, nonché non nell'agenda di nessuno, si potrebbe quasi pensare a qualche futuro pure positivo, senza usa e russia.



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in reply to Gabardino 🍀

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Comment ont-ils pu laisser cela se produire ?

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in reply to Alain

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First day of my #onlyfeet fundraiser campaign for infosec.exchange. Donate to see more or donate to never see them again.

in reply to Araucana 💚🌱🐔🥾🎶🌳🍎🦋

Das Bild zeigt eine gemütliche Szene in einem dunklen Wohnzimmer. Im Vordergrund sind die Füße einer Person zu sehen, die in bequemen Jeans und polka-dotted Socken entspannt sind. Auf einem Tisch vor den Füßen stehen zwei Flaschen mit alkoholischen Getränken, eine davon mit einem roten Inhalt, und ein kleines Glas mit einer Flüssigkeit. Eine Kerze brennt auf dem Tisch und spendet ein warmes Licht. Im Hintergrund ist ein Fernseher zu sehen, der ein Bild zeigt, und eine Fensterbank mit Pflanzen. Die Atmosphäre wirkt entspannt und einladend, ideal für eine gemütliche Abendstimmung.

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Today as we were walking past some blossoming fruit trees I said, would be nice if someone came by and posed in the tree. Seconds later this baltimore oriole flew into the tree.

#bird #birdphotography

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in reply to Lori

A imagem é um meme que consiste em duas partes. Na parte superior, há um texto em negrito que diz: "Pessoas: '...você acabou de apreciar um quadro de Hitl*r.' Eu: '...dude, olha só aquela perspectiva horrível.'" Na parte inferior, há uma imagem de um quadro que mostra uma rua com casas e uma escada. O quadro é marcado por linhas vermelhas que indicam a perspectiva distorcida do artista. As linhas vermelhas cruzam-se de forma irregulada, destacando a falta de perspectiva no quadro. O meme faz uma piada sobre a apreciação de um quadro de um artista controverso, focando na crítica à qualidade técnica do trabalho, em vez de sua intenção ou contexto histórico.

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Orenco Woods, 3


The last one of the set. I’m a little annoyed that Lemmy doesn’t keep the HDR data; the sky is usually more vibrant in the original.

Thanks for seeing my work!



Staff cuts forced this forecast office to shut overnight. Then, a tornado hit.


The Jackson, Kentucky, office is one of a growing number of forecast offices unable to cover an overnight shift since the Trump administration cut staffing levels through buyouts and firings.


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in reply to silence7

Didn’t the office say they were fully staffed the night of the tornado and they sent out alerts?