nonanon
336 posts


🇮🇩 Threat actors are advertising an alleged “BCA Mobile Bank Access & Database” dataset targeting Indonesian banking customers.
According to the forum post, the seller claims:
• ~890,000 mobile banking “accesses”
• ~4.9 million database records
• Banking-related personal information
• Internal/account-related fields allegedly tied to customer data
The authenticity of the claims remains unverified at this stage.
What makes this concerning is not only the volume, but the wording “accesses,” which often implies:
• Account/session access
• Credential collections
• Infostealer logs
• Mobile banking takeover potential
• Compromised customer devices
If legitimate, the combination of financial data and potential account access could enable:
• Fraudulent transactions
• SIM swapping
• Social engineering campaigns
• Account takeover attacks
• Money mule operations
• Credential stuffing against other financial platforms
And honestly… underground forums have evolved from:
“Selling hacked Netflix accounts”
to
“Would you like 4.9 million banking records with that?”
Indonesia continues to experience growing cybercriminal interest due to:
• Rapid digital banking adoption
• Large mobile-first population
• Expanding fintech ecosystem
• Increasing online payment usage
Financial institutions should closely monitor for:
• Credential abuse spikes
• Suspicious login activity
• Large-scale phishing campaigns
• Mobile malware distribution
• Unauthorized API activity
• Anomalous customer behavior patterns
Users should:
• Change banking passwords immediately if concerned
• Enable MFA wherever possible
• Avoid SMS-only authentication
• Monitor accounts for unusual activity
• Be cautious of fake banking calls/messages
At this time, the claims should be treated as alleged until independently verified.
🇮🇩 #DDW #Intelligence #Indonesia #CyberSecurity #DarkWeb #ThreatIntelligence #DataLeak #Banking #Infosec

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@TheEconomist Hey, thanks a lot for ur article about the situation in indonesia rn. Over here, it feels like nothing is happening, and I don't really know what to think
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Far too much in Indonesia depends on a thin-skinned former general with a sketchy human-rights record. Prabowo Subianto needs to hear some unpalatable truths economist.com/leaders/2026/0…
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