Telecom
Hackers Shift to SIM Cloning

United Nations has discovered significant vulnerabilities in mobile phone technology that could potentially enable hackers to remotely attack at least half a billion SIM cards.
A United Nations (UN) group given to online security plans, warned counties to send out an alert about the underground plans.
A report following a discovery a German firm, earlier in the year showed a bug on the SIM cards which allows hackers to remotely gain control of and also clone certain mobile SIM cards.
The hackers have the capability to use compromised SIMs to commit financial crimes or engage in electronic espionage, according to Berlin’s Security Research Labs, which described the vulnerabilities at the Black Hat hacking conference that in Las Vegas on July 31.
The UN’s Geneva-based International Telecommunications Union, which has reviewed the research, described it as “hugely significant.”
“These findings show us where we could be heading in terms of cyber-security risks,” Hamadoun Touré, ITU secretary general told Reuters.
The ITU he said would notify telecommunications regulators and other government agencies in nearly 200 countries about the potential threat and also reach out to hundreds of mobile companies, academics and other industry experts.
It is thought that many of the 200 countries mentioned in the report are in Africa.
A spokeswoman for the GSMA, which represents nearly 800 mobile operators worldwide, said it also reviewed the research.
“We have been able to consider the implications and provide guidance to those network operators and SIM vendors that may be impacted,” said Claire Cranton, GSMA spokeswoman,
Cracking SIM cards has long been the Holy Grail of hackers because the tiny devices are located in phones and allow operators to identify and authenticate subscribers as they use networks.
Once a hacker copies a SIM, it can be used to make calls and send text messages impersonating the owner of the phone, according to Karsten Nohl, the chief scientist who led the research team.
Nohl said he conservatively estimates that at least 500 million phones are vulnerable to the attacks he will discuss at Black Hat. He added that the number could grow if other researchers start looking into the issue and find other ways to exploit the same class of vulnerabilities.
The ITU estimates some 6 billion mobile phones are in use worldwide. It plans to work with the industry to identify how to protect vulnerable devices from attack, Touré said.
“If you have a MasterCard number or PayPal data on the phone, we get that too,” if it is stored on the SIM, he said.
The newly identified attack method only grants access to data stored on the SIM, which means payment applications that store their secrets outside of the SIM card are not vulnerable to this particular hacking approach.
The mobile industry has spent several decades defining common identification and security standards for SIMs to protect data for mobile payment systems and credit card numbers. SIMs are also capable of running applications (apps).
Nohl said Security Research Labs found mobile operators in many countries whose phones were vulnerable, but declined to identify them. He said mobile phone users in Africa could be among the most vulnerable because banking is widely done via mobile payment systems with credentials stored on SIMs.
All types of phones are vulnerable, including iPhones from Apple, phones that run Google’s Android software and BlackBerry smartphones, he said.
Telecom
Court Bans Kenyan Telcos from Recycling SIM Cards

Kenya’s High Court has ruled that mobile phone numbers are not disposable assets, but constitutionally protected digital identifiers, striking at the core of a long-standing industry practice of arbitrarily reassigning inactive SIM cards without the owners’ consent.

In a landmark decision that could reshape telecom regulation and digital identity frameworks across Africa, sitting at Milimani Law Courts in Nairobi, Justice Lawrence Mugambi declared that reassigning a phone number without the original owner’s consent violates the right to privacy.
The ruling effectively elevates a SIM card into the same legal category as personal data tied to an individual’s private life.
At the heart of the ruling is Article 31 of the Constitution, which safeguards citizens from unnecessary disclosure of private information and interference with communications.
The court found that in today’s digital economy, a registered mobile number functions as a critical gateway to sensitive personal data, linking users to mobile money platforms like M-PESA, banking systems, email accounts, and social media profiles.
“When mobile digital identity is lost through reallocation or recycling without interrogating the reasons behind inactivity, it creates an avenue for unauthorised disclosure of delicate information,” the judgment stated.
The case, brought by Erastus Ngura Odhiambo, petitioner and former prisoner, challenged the routine telecoms practice of deactivating SIM cards after prolonged inactivity and reassigning them to new users.
Odhiambo lost access to his mobile phone number due to inactivity while serving his lengthy sentence.
He argued that the practice exposes individuals to serious risks, including misdirected financial transactions, intercepted one-time passwords, and unintended access to private communications.
The court agreed, highlighting how recycled numbers can result in strangers receiving confidential messages, authentication codes, and even being added to private messaging groups, effectively inheriting fragments of another person’s digital life.
Justice Mugambi also criticised the rigidity of SIM deactivation policies, calling them “arbitrary” for failing to consider legitimate reasons for inactivity such as incarceration, studying in restricted environments, or living abroad.
“Incarceration does not strip an individual of their constitutional rights to privacy and identity,” he noted.
For telecom operators, including Safaricom, the ruling introduces a significant compliance burden. The court outlined three strict conditions before any number can be reassigned.
Telcos must obtain informed and verifiable consent from the original owner, issue a public notice and conduct traceability efforts over a reasonable period.
More importantly, the court further directed that telecoms firms must implement technical safeguards to prevent data exposure to the new user.
The Office of the Attorney General has been given six months to translate these directives into enforceable regulations.
Telecom
Binance Earn: Simple Way to Earn Rewards on Idle Crypto Holdings

Binance Earn offers cryptocurrency users an accessible way to generate rewards on idle digital assets without active trading or constant market monitoring.

Binance Earn
As the crypto market matures, more holders seek productive uses for their assets rather than leaving them dormant in wallets. Binance addresses this through Binance Earn, where users allocate supported cryptocurrencies to various reward products for automatic yield generation.
The platform emphasises simplicity with a “set-and-forget” model: users select assets, pick a product, and rewards accrue passively in the background. This appeals especially to long-term holders aiming to enhance portfolio value over time without day-to-day involvement.
Binance Earn provides flexible options for instant liquidity access alongside fixed-term products for defined commitments, catering to diverse strategies and risk appetites.
“We’re seeing growing interest across Africa in ways to make crypto holdings more productive without active trading,” said Larry Cooke, Africa Head of Legal at Binance. “Simple, ‘set-and-forget’ solutions are becoming increasingly relevant as more users take a longer-term approach to digital assets.”
The feature reflects shifting user behaviour towards holding and gradual growth amid volatile markets, where reward rates fluctuate based on conditions, liquidity, and structures.
Users must assess risks and alignment with personal goals, as crypto remains volatile. Binance Earn positions itself as a key tool in Africa’s rising digital asset adoption, enabling hands-off participation in the ecosystem.
Telecom
New Gmail Scam Mimics Security Alerts to Steal User Data

Cybersecurity researchers at Malwarebytes Labs have exposed a sophisticated new Gmail scam where fraudsters send fake Google security alerts via phishing emails, texts, and pop-ups, tricking users into a deceptive four-step verification process that harvests login credentials, GPS locations, contacts, and other sensitive data for account takeovers.

Gmail
Disguised as routine checkups, these alerts mimic Google’s official pages to create urgency, prompting victims to install malicious “security tools” that grant hackers real-time access to Gmail and linked services—Corey Donovan, president of Alta Technologies, warns legitimate checks never come unsolicited or demand downloads, urging users to close suspicious prompts immediately and verify via official Google account pages instead.
The scam’s rise amplifies risks during travel, where public Wi-Fi hotspots—especially “evil twin” fakes like slight misspellings of “Airport_Free_WiFi”—enable interception of banking details, emails, and malware installs; Donovan advises disabling auto-connect, using VPNs for HTTPS sites only, avoiding logins altogether, and crafting strong passwords with mixed characters plus two-factor authentication.
Shoulder surfing on public transport and outdated devices compound threats, as fraudsters glimpse screens or exploit unpatched vulnerabilities—keeping phones updated with post-update privacy reviews limits app access to location or commutes, while skipping work emails in view maintains confidentiality on the go.
Nigeria’s heavy reliance on digital banking and crypto heightens vulnerability, as scammers exploit rushed travellers; Donovan stresses: “Cybercriminals target busy airports and stations knowing guards drop—stay cautious, update devices, lock privacy, and never rush links to protect against these advanced breaches.”
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