Telecom
Hackers Could Decrypt Your GSM Phone Call

Researchers have discovered a flaw in the GSM standard used by AT&T and T-Mobile that would allow hackers to listen in.
Researchers from BlackBerry at DefCon security conference in Las Vegas, USA, presented an attack that can intercept GSM calls as they’re transmitted over the air and decrypt them to listen back to what was said.
And the vulnerability has been around for decades.
Most mobile calls around the world are made over the Global System for Mobile Communications standard; in the US, GSM underpins any call made over AT&T or T-Mobile’s network.
Regular GSM calls aren’t fully end-to-end encrypted for maximum protection, but they are encrypted at many steps along their path, so random people can’t just tune into phone calls over the air like radio stations.
The researchers found, though, that they can target the encryption algorithms used to protect calls and listen in on basically anything.
“GSM is a well documented and analyzed standard, but it’s an aging standard and it’s had a pretty typical cybersecurity journey,” says Campbell Murray, the global head of delivery for BlackBerry Cybersecurity.
“The weaknesses we found are in any GSM implementation up to 5G. Regardless of which GSM implementation you’re using there is a flaw historically created and engineered that you’re exposing.”
The problem is in the encryption key exchange that establishes a secure connection between a phone and a nearby cell tower every time you initiate a call.
This exchange gives both your device and the tower the keys to unlock the data that is about to be encrypted. In analyzing this interaction, the researchers realized that the way the GSM documentation is written, there are flaws in the error control mechanisms governing how the keys are encoded. This makes the keys vulnerable to a cracking attack.
“It’s a really good example of how the intention is there to create security, but the security engineering process behind that implementation failed.”
As a result, a hacker could set up equipment to intercept call connections in a given area, capture the key exchanges between phones and cellular base stations, digitally record the calls in their unintelligible, encrypted form, crack the keys, and then use them to decrypt the calls.
The findings analyze two of GSM’s proprietary cryptographic algorithms that are widely used in call encryption—A5/1 and A5/3.
The researchers found that they can crack the keys in most implementations of A5/1 within about an hour. For A5/3 the attack is theoretically possible, but it would take many years to actually crack the keys.
“We spent a lot of time looking at the standards and reading the implementations and reverse engineering what the key exchange process looks like,” BlackBerry’s Murray said.
“You can see how people believed that this was a good solution. It’s a really good example of how the intention is there to create security, but the security engineering process behind that implementation failed.”
The researchers emphasize that because GSM is such an old and thoroughly analyzed standard, there are already other known attacks against it that are easier to carry out in practice, like using malicious base stations, often called stingrays, to intercept calls or track a cellphone’s location.
Additional research into the A5 family of ciphers over the years has turned up other flaws as well. And there are ways to configure the key exchange encryption that would make it more difficult for attackers to crack the keys. But Murray says that the theoretical risk always remains.
Short of totally overhauling the GSM encryption scheme, which seems unlikely, the documentation for implementing A5/1 and A5/3 could be revised to make key interception and cracking attacks even more impractical. The researchers say that they are in the early phases of discussing the work with the standards body GSMA.
The trade association said in a statement to WIRED that, “Details have not been submitted to the GSMA under our coordinated vulnerability (CVD) programme. When the technical details are known to the GSMA’s Fraud and Security Group we will be better placed to consider the implications and the necessary mitigation actions.”
Though it may not be that surprising at this point that GSM has security issues, it’s still the cellular protocol used by the vast majority of the world. And as long as it’s around, real call privacy issues remain, too.
Telecom
Africa’s $1bn Biometric ID Rollout Raises Concerns Over Privacy and Exclusion

Millions of citizens across Africa are being denied access to essential services due to the rapid imposition of biometric digital-ID systems, a new report by the African Digital Rights Network has revealed.

Biometric
The study, published by the Institute of Development Studies (IDS), found that citizens are increasingly required to provide biometric and personal information as a condition for accessing fundamental rights and government services such as voting, education, healthcare, and social protection payments.
According to the report, marginalised groups including persons with disabilities, the illiterate, and those unable to afford mobile data or electricity for phone charging face significant barriers to registration, deepening existing inequalities.
It noted that many citizens also refuse to enrol due to fears of data breaches and mistrust of governments, with biometric identifiers such as fingerprints, iris scans, and facial recognition raising privacy concerns.
Dr Tony Roberts, Research Fellow at IDS and co-editor of the report, said: “Worryingly, fundamental human rights, like education, healthcare and the right to vote are rapidly becoming conditional on enrolment in biometric digital-ID systems.”
He added that some visually impaired citizens are forced to pay others to help them use their digital-ID on mobile phones to access social protection payments.
‘Gbenga Sesan, Executive Director of Paradigm Initiative and co-editor of the report, said: “Many citizens do not want to enrol for a biometric digital-ID because they have good reason not to trust their governments with their biometrics and personal information.”
The report highlighted examples of massive data breaches and cases where personal data was used to surveil critics and opposition leaders.
It warned that most systems, estimated to cost at least US$1 billion across Africa, lack adequate legal frameworks, robust digital security, and accountability mechanisms for remedy when errors or breaches occur.
The authors concluded that governments must adopt strong legislation to protect citizens’ rights and privacy before rolling out biometric IDs, stressing that systems should be developed with citizen participation rather than imposed top-down.
The report, Biometric Digital-ID in Africa: Progress and Challenges to Date – Ten Country Case Studies, covers Botswana, Namibia, Malawi, Côte d’Ivoire, Senegal, Democratic Republic of the Congo, Liberia, Ethiopia, Egypt, and Tunisia.
Telecom
Senator Akpoti Tops Google Searches in Nigeria’s 2025 Year in Review

Senator Natasha Akpoti has emerged as the most searched personality in Nigeria, according to Google’s 2025 Year in Search report, which highlights the interests and concerns that shaped the nation’s online activity during the year.

The report showed that political conversations dominated searches, with Akpoti’s prominence underscoring the intensity of national discourse. Nigerians also followed global developments closely, including the Israel-Iran War and the United States elections.
The country mourned the passing of former whose deaths prompted widespread searches recalling their legacies and contributions to national life.
Entertainment trends reflected Nigeria’s cultural vibrancy, with gospel hit “Oluwatosin (Jesus Is Enough)” by Tkeyz featuring Steve Hills topping charts, alongside Afrobeats collaborations such as Davido and Omah Lay’s “With You.” Director Kemi Adetiba and the local series “To Kill a Monkey” also drew significant attention.
Google noted that Nigerians displayed curiosity in language and lifestyle, decoding slang like “Labubu” and exploring recipes ranging from Pornstar Martini to traditional Chinchin.
Technology searches were led by interest in the iPhone 17 and Tecno Pop 10, reflecting the country’s embrace of new devices.
“This data offers a real-time window into the Nigerian psyche in 2025, showing a nation engaged, reflective, and creatively vibrant,” said Taiwo Kola-Ogunlade, Google’s Communications Manager for West Africa.
Telecom
14-Year-Old Oreoluwa Alayande Crowned Champion of MTN mPulse 2025 Spelling Bee

14-year-old Oreoluwa Alayande has been crowned the winner of the MTN mPulse Spelling Bee 2025, following a thrilling grand finale that saw the top 20 contestants from schools across the country compete head-to-head.

MTN mPulse 2025 Spelling Bee
The grand finale of the MTN mPulse Spelling Bee 2025 competition was held on Saturday, November 29, at the MTN Plaza Rooftop. The event also had in attendance the Senior Special Assistant to the Lagos State Governor on Basic and Secondary Education, Opeyemi Eniola and mPulse Spelling Bee 2024 winner, Ikenna Ikechukwu.
As the 2025 MTN mPulse Champion, Oreoluwa was awarded an Educational Grant of N5 Million Naira, the opportunity to be the MTN CEO for a Day, a brand new laptop and smartphone, and the title of the face of mPulse for a year. Her victory also benefits her school, which will receive a N10 Million flagship gift, 10 laptops, and 10 MTN 5G routers, while her teacher receives a N500,000 cash prize.
Oreoluwa, a student of St. Lawrence Metropolitan College, Ado Ekiti, Ekiti State, expressed her gratitude. “I’d like to use this opportunity to thank MTN for providing a platform that empowers youths and increases the vocabulary of students,” she said. “I’d also like to thank my family, everyone who has supported me so far, and my school,” she said.
Speaking at the grand finale, Babatunde Oyeleye, Chief Strategy and Innovation Officer, MTN Nigeria, acknowledged the parents and teachers. “Every year, we bring you all together to see who becomes the exceptional speller in Nigeria, and the participants always perform exceptionally,” Oyeleye stated. “I’d like to say a big thank you to the parents and the teachers. You dedicate your time to nurturing these children, and the feeling of pride is always evident on your faces. We are glad to be enablers of that smile and pride you feel,” Oyeleye said.
The second position, Samuel Babalola, was rewarded with a N2.5 Million Educational Grant, 1 laptop, and 1 smartphone, with his teacher receiving an N300,000 cash prize. Levi Kelechi Ebisike, in third place, won a N1.5 Million Educational Grant, 1 laptop, and 1 smartphone, along with an N200,000 cash prize for his teacher.
The grand finale was streamed live on the MTN Nigeria YouTube channel and on the Holiday Channel 198 on both DStv and GOtv, allowing Nigerians nationwide to watch the brilliant spellers.
The MTN mPulse Spelling Bee continues to be one of Nigeria’s most impactful development initiatives, reiterating MTN’s commitment to promoting literacy and digital inclusivity. The competition, a flagship initiative under the MTN mPulse umbrella, is designed to foster digital literacy, academic excellence, and healthy competition among Nigerian students.
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