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#cellular

1 post1 participant0 posts today
((Jann Gobble)) 🏳️‍🌈

Hey #TMobile, I couldn't care less if the beta is over! There's rarely a time that the #5g / #4g network wasn't avail. There WAS a time they were both overloaded & therefore #TSatellite didn't kick in! Cos I STILL DID TECHNICALLY have 5g/4g!

What good is #TSatellite if it doesn't take into account real-world scenarios! At least #Apple has #WiFi connection bad? Use #cellular as backup!

What we need is a #WiFi and #Cellular not going through? Use #TSatellite!

THEN I'd pay $10/mo more!

GeneralX ⏳

Nerd details on the newly discovered SS7 attack:

- packet from the outside requests location info for an IMSI
- packet uses an opcode extension instead of fitting in a single byte (think utf-8)
- (my guess) firewalls that filter on IMSI/source get confused on opcode extension, fail open
- packet is allowed

Bonus: the ITU spec defines how opcode extension works, but there's currently no reason to use it, in practice.

Result: vulns lurk.

enea.com/insights/the-good-the
#GSM #SS7 #cellular #infosec

Enea · The Good, the Bad, and the Encoding: An SS7 Bypass AttackIntroducing a novel SS7 bypass attack technique uncovered by Enea's team of threat intelligence experts. Read all about it in this blog.
PrivacyDigest

Verizon’s request to lock phones supported by police, opposed by users

With #Verizon seeking permission to lock phones to its network for six months or longer instead of the current 60 days, a coalition of advocacy groups yesterday urged the Federal Communications Commission to reject the #cellular carrier's petition.
#fcc

arstechnica.com/tech-policy/20

Ars Technica · Verizon’s request to lock phones supported by police, opposed by usersBy Jon Brodkin
*
LaF0rge

Very interesting applied security research into the #GSMA #eSIM universe, specfically the use of the JavaCard VM with its questionable security architecture depending on an off-card bytecode verifier in the context of the eUICC which inherently contains eSIM profiles of different [competing] mobile operators, each of which can install arbitrary Java applets into the same eUICC. #GSM #3GPP #cellular #simcards
security-explorations.com/esim

security-explorations.comSecurity Explorations - eSIM security
Eugene :emacs: :freebsd:

Hmm, looks like mobile internet here is hardly fucked.

Internet connectivity is completely broken. Voice calls are working but extremely bad — call successfull near 1 from 5 times, the quality of transmitted voice is extremely bad.

Last time, when I hear such badly transmitted voice was … near 2000-2005 years

#censorship#network#cellular
PrivacyDigest

The #Trump Organization is debuting a #cellular phone service called T1 Phone at $47.45 a month - CBS News

and include unlimited calls, text and data. It also plans to roll out a new $499 phone that will be built in the U.S.

The new service was designed to coincide with the 10-year anniversary of President Trump's announcement of his first presidential run, the Trump Organization said in a Monday statement.
#privacy #telecom #cellphone

cbsnews.com/news/trump-mobile-

www.cbsnews.comThe Trump Organization is debuting a cellular phone service called T1 Phone at $47.45 a monthThe Trump Organization said its $47.45 monthly service will includes unlimited calls, text and data. It's also rolling out a $499 mobile phone.
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