P1 Security

P1 Security is a leading provider for its offensive security services, software and trainings on mobile networks unique protocols (2G to 5G)

[P1 Security @p1security]

P1 Security is heading to Tallinn for CERT EE 0ct0b3rf3st 2026.

We’re excited to join the cybersecurity community on June 11-12 with our talk:

“OT Audits: Speed & Independence through AI Pentesting, an Early Perspective”

See you in Tallinn.

#CyberSec #OTSecurity #P1Security

[P1 Security @p1security]

One packet. A few minutes of cell denial of service.

In this clip from our Cloud RAN security webinar, Laurent Ghigonis explains how a UDPCP process crash can cascade into vDU and vCU restarts.

Watch the full recording:
https://t.co/4BYGDOjoJQ
#CloudRAN #P1Security

[P1 Security @p1security]

Eid Al Adha Mubarak from the P1 Security team.

Wishing everyone celebrating a day filled with light, love, happiness, good health, and meaningful connection.

#EidMubarak #EidAlAdha #P1Security

[P1 Security @p1security]

One of the easiest mistakes in threat analysis is assuming every APT group plays the same role.

This webinar breaks down why that matters:
https://t.co/nJrsSp15FF
#CyberSecurity #IranAPT

[P1 Security @p1security]

A good read for this week: Hacking Telco Equipment: The HLR/HSS. A sharp look at HLR/HSS security, from SS7 and Diameter fuzzing to operator side hardening. Read: https://t.co/tdRkqKcBiL #TelecomSecurity #HLR #HSS

[P1 Security @p1security]

Cloud RAN Security Webinar is going live now - https://t.co/r30YUMHVVk

[P1 Security @p1security]

Every 2 years, your 5G network ships a new feature: new exposure. When did you last red team it as a real world target, incl. global reachability? https://t.co/JuXRhIeTQd #5GSecurity #TelecomSecurity #RedTeam

[P1 Security @p1security]

Cloud RAN is changing the RAN attack surface.

Tomorrow, we unpack the new threats across fronthaul, F1/E1, OAM, virtualisation and monitoring.

Final chance to register:
https://t.co/4BYGDOjoJQ

[P1 Security @p1security]

One malformed signaling message can crash core functions that are not directly exposed.

Our latest write-up shows how stateful fuzzing exposes AMF, SMF, and MME crash paths across 5G and 4G.

Proprietary does not mean fuzz tested.

https://t.co/VXJDcXGWHl

[P1 Security @p1security]

Caught does not mean closed. Sometimes it means studied, repurposed, reused.

Watch the webinar:
https://t.co/nJrsSp15FF
#IranAPT

[P1 Security @p1security]

A good read for this week: Reverse engineering is legal in some cases, but the conditions matter. This whitepaper breaks down the legal boundaries. Read: https://t.co/DqDib35dPN #ReverseEngineering #CyberSecurity #MobileSecurity

[P1 Security @p1security]

mTLS w shared certs in 5G SBA = no mTLS. One stolen cert can impersonate every NF. Recording: https://t.co/JuXRhIeTQd #5GSecurity #TelecomSecurity

[P1 Security @p1security]

What really shaped Iran’s cyber capabilities?
Not one attack. Not one year. Not one simple story.
Watch the full webinar:
https://t.co/nJrsSp15FF

#IranAPT #CyberSecurity

[P1 Security @p1security]

A good read for this week: Attacking GRX. Roaming trust can become attack surface fast. Read the whitepaper: https://t.co/wrfjUKD1vh #GRX #TelecomSecurity #MobileSecurity

[P1 Security @p1security]

APTs target telecom cores for tracking & intel. Recording: https://t.co/JuXRhIem0F #5GSecurity #TelecomSecurity

[P1 Security @p1security]

Open source drives telecom innovation. It also needs real protocol security testing. Our latest Ella Core findings are on https://t.co/kumBnAzjEP #TelecomSecurity #OpenSourceSecurity

[P1 Security @p1security]

Cyber conflict has a long memory. In this clip, Hamid Kashfi touches on how methods evolve and resurface over time. Replay: https://t.co/nJrsSp0xQ7
#telcosec #telecomsecurity

[P1 Security @p1security]

Where are we actually exposed? TelcoASM helps telecom teams quickly visualize network risk exposure and benchmark it in minutes. Free: https://t.co/vSXEnFpEfm

[P1 Security @p1security]

Where is your telecom infrastructure most exposed? - https://t.co/y061aoMwlI

[P1 Security @p1security]

At a radio site, they feared metal theft. The bigger risk was RAN to core compromise. Watch: https://t.co/9LcmQnGlox