Why this matters if you have a digital business in LATAM
Meta ‘s platforms — WhatsApp , Messenger , and Facebook —are the sales, support, and marketing channels for millions of startups and SMEs across Latin America. When fraud proliferates on these channels, user trust erodes and customer acquisition costs rise. Therefore, the announcement made on March 11, 2026, from Meta’s headquarters is not just cybersecurity news: it signals a structural shift in how advertising and digital communication will operate on these platforms for the remainder of the year.
The problem that Meta decided to tackle head-on
In 2025 , Meta removed over 159 million fraudulent ads that violated its internal policies and deactivated 10.9 million accounts linked to deceptive activity. Despite these figures, scammers continued to find loopholes: the fraud occurred, and detection came after the damage was done. The new strategy aims to intercept the attempt in real time, before the victim hands over money or sensitive data.
Platform-by-platform updates
Facebook: Be alert for suspicious friend requests
When a user receives a contact request from an account with red flags—such as no mutual friends, an unusual location, or behavior patterns typical of fake profiles—a warning will appear . The user can confirm, block, or report the request directly from that screen, reducing the effort required to report it.
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WhatsApp: New defenses in device linking
WhatsApp will display alerts when it detects potentially suspicious links or QR codes during device pairing processes. The system will report the exact origin of the request and allow the user to authorize or deny access with a single tap. This directly addresses a common tactic: hijacking an account to send fraudulent messages to all of the victim’s contacts, turning trusted individuals into unwitting scam targets.
Messenger: On-premises AI + optional cloud review
This is perhaps the most technically sophisticated measure in the package. Messenger will use artificial intelligence to detect, directly on the device, conversational patterns associated with fraud: promises of easy jobs, investment schemes, urgent requests for money, or unexpected prizes. If the system detects red flags, it will ask the user if they want the content analyzed in the cloud as well for a more in-depth evaluation and easier reporting. The key here is that local analysis protects privacy by default, while the cloud option is activated only with explicit consent.
The move that changes the rules of the advertising game
Beyond user experience, Meta is redesigning its advertising ecosystem with an ambitious goal: to have 90% of its advertising revenue come from verified advertisers by the end of 2026. The remaining 10% would be reserved for low-risk companies that have not yet completed the verification process.
This means advertisers will have to prove their identity and demonstrate they have no history of policy violations. For startups already investing in Facebook Ads or Instagram Ads , this process may translate into additional validation steps, but also into a cleaner advertising environment with less unfair competition from fraudulent actors who have historically inflated bids with illicitly sourced funds.
Meanwhile, Meta has already taken legal action against fraudulent advertising networks in Brazil and China that used manipulated images of celebrities — a practice known as celebrity baiting — to drive traffic to phishing pages.
International cooperation and the fight against fraud centers
The technological measures are complemented by a strategy of cooperation with law enforcement agencies globally. Meta has announced partnerships with authorities and private sector companies to pursue criminal networks outside of digital platforms, including actions against so-called scam centers : centers operated in some regions of Asia where people are trafficked and forced to carry out digital scams on an industrial scale. The company also promotes awareness campaigns aimed at identifying and protecting potential victims of labor trafficking linked to these types of operations.
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What should founders and marketers do now?
If you manage WhatsApp Business channels , Facebook campaigns , or Messenger customer service flows , these are the specific actions you should take in the coming weeks:
- Verify your advertiser account in Meta’s Business Manager as soon as possible. The process can take days, so it’s best to get ahead of the deadlines.
- Audit the device linking flows in the WhatsApp Business API: ensure your users receive clear instructions and won’t mistake a legitimate request from you for a fraud attempt.
- Update your digital onboarding protocols to include messages that reinforce your brand identity and reduce the possibility of your communications being reported as suspicious by new AI systems.
- Train your support team on the new alerts users will see: if a customer tells them they received a security alert when starting a conversation, the team needs to know how to respond calmly and with context.
- Monitor your ad performance over the next few weeks. Increased verification may temporarily reduce active advertiser inventory, which could affect CPMs and CPCs in some segments.
The broader context: platforms under regulatory pressure
These initiatives are not happening in a vacuum. Meta operates under increasing regulatory scrutiny in the European Union , the United Kingdom , Brazil , and other markets where authorities are demanding active accountability from platforms for the fraud they facilitate. The European Digital Services Act (DSA) already requires large platforms to implement mechanisms for reporting and mitigating systemic risks, including fraud. In this context, Meta ‘s announcement also has a regulatory dimension: demonstrating proactivity before sanctions or external mandates are imposed.
For the startup ecosystem, this means that platforms will become progressively more demanding in terms of identity verification and policy compliance, a trend that will continue regardless of who is in the corporate governance of these companies.
Conclusion
Meta ‘s new measures represent a significant leap forward in the fight against digital fraud: from a reactive model—detecting and eliminating after the fact—to a proactive one that intercepts attempted scams in real time using artificial intelligence both on the device and in the cloud. For founders who build their sales or communication channels on these platforms, the message is clear: verify, update, and anticipate. The rules of the game for advertising and communication within the Meta ecosystem are changing, and adapting before the competition is always a competitive advantage.