CLI Spoofing

CLI spoofing is a global issue causing issues for service providers and subscribers alike.

 

Calling Line Identity (CLI) Spoofing or Caller ID spoofing has been a source of many large scams around the world that have committed fraudulent activity against consumers, damaged corporate reputation and impacted service providers revenues based on mimicking a legitimate phone number.

 

CLI spoofing causes issues within the service provider where international traffic is spoofed to represent cheaper country rates. Service Providers are losing out on termination and interconnect revenues due this nefarious activity.

 

Corporate customer call centres have been abused by CLI Spoofing, where inbound callers pretending to be legitimate consumers have undertaken activities like Sim-Swap fraud, account take-over and other fraudulent activities.

 

Consumers have been scammed out of savings with fraudsters mimicking legitimate bank, healthcare, phone service providers legitimate customer care phone numbers to persuade victims to move money, change account details, etc.

 

CLI spoofing has allowed for spamming and robocalling issues that have been seen in North America where consumers and businesses are inundated with unwanted phone calls, that are pertaining to from legitimate companies. In 2018 North American residents received 26.3 billion robocalls.

 

The modus operandi of CLI Spoofing

There is nothing to stop fraudsters changing the caller ID to mirror that of your bank for instance. If the receiving mobile phone has already got the bank’s phone number stored in its memory/contacts list, the mobile handset will show that Bank details. Similarly, texts from fraudsters using a spoofed number, will show up as being from the bank – often appearing alongside legitimate texts sent out by the bank. Individuals follow instructions provided through these spoofed transactions to compromise their personal information that is used for fraudulent activity.
The issues are faced by the individual consumer, the phone service provider and the bank, putting huge emphasis on customer care processes, financial compensations and corporate reputation.

 

European telecom service providers are witnessing traffic outside the EU changing CLI numbers in real-time to mimic preferential rates such as EU-EU tariffs, this means the European telecom service provider receives EU termination rates but in fact it was actually an international call which should be charged at a much higher rate. Call originators are continuously changing the CLI, never using the same CLI twice making it difficult to identify suspicious calls, causing a massive issue for European telecom service providers as millions of Euros is lost in potential in revenue.

 

Revector’s CLI Spoofing detection product delivers

 

• Fast: Detects and reports suspicious CLI records from either calls or messaging within seconds of the activity for automatic suspension/blocking

• Effective: Employs advanced anti-detection algorithms and real-time queries to prevent compromise

• Non-intrusive: Uses highly secure detection equipment that does not interfere with the client’s internal systems or consumer handsets

• Cost-effective: Campaigns tailored to specific operator requirements and time-scales for maximum returns

• Easy to deploy and measure: Revector Analytics online management and specific customer web portal with inherent reporting offers an intuitive and interactive user interface

 

Revector CLI Spoofing Detection is an integrated solution, monitoring the signalling interfaces on the International traffic pipes along with real-time CDRs which generate enquiries (Lookups) to advise if the sending CLI is active. Revector CLI Spoofing Detection combines the network elements in a cloud-based database and provides a real-time report generator to allow quantification of the issue.

Find out how much fraud is costing your network