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Tim Abejo, co-convenor of CitizenWatch Philippines, called on government authorities to crack down on the malicious use of International Mobile Subscriber Identity (IMSI) catchers, also known as “cell site simulators” or “fake base stations.” These devices mimic legitimate cell towers to intercept mobile communications and used by scammers to impersonate legitimate telecom signals to lure unsuspecting users into revealing sensitive personal and financial data.
Philstar.com / EC Toledo
MANILA, Philippines — A consumer rights advocate has raised concerns over the growing threat posed by high-tech online scams that exploit gaps in digital security, warning that trust in internet services is eroding at a time when the country’s digital economy is rapidly expanding.
Tim Abejo, co-convenor of CitizenWatch Philippines, called on government authorities to crack down on the malicious use of International Mobile Subscriber Identity (IMSI) catchers, also known as “cell site simulators” or “fake base stations.” These devices mimic legitimate cell towers to intercept mobile communications and used by scammers to impersonate legitimate telecom signals to lure unsuspecting users into revealing sensitive personal and financial data.
“These IMSI catchers act like telco cell sites,” Abejo explained. “They trick your phone into thinking it’s connected to a real telecom network, then send you messages that look like they’re from your bank or mobile service provider. One click on a malicious link, and you’re either handing over your private info or unknowingly downloading malware that gives hackers full access to your device,” he said.
Abejo pointed out that these devices that were once bulky are now small enough to fit in a backpack and mobile enough to be transported in vehicles to infiltrate residential and commercial areas undetected.
“That’s what makes them dangerous. They’re stealthy, mobile and outside the control of our telcos because they don’t need to access the legitimate mobile networks,” Abejo said.
The United Nations defines digital inclusion as “equitable, meaningful, and safe access to use, lead, and design of digital technologies.”
But according to Abejo, “there’s no true digital inclusion if people are afraid to pay bills, make transactions, or even message their bank online because scams are so widespread.”
While the government has reportedly intercepted some IMSI catchers, the masterminds behind these operations remain at large.
Abejo said the proliferation of IMSI catchers would jeopardize not only public safety but also the momentum of our country’s technology-enabled industries.
“Our digital economy was worth $35.4 billion in 2023 – about 8.4 percent of GDP. But that growth is at risk,” he said.
