[REVISION HISTORY]

Surge in Brazil cyberattacks and digital fraud

Updated 31 times since CLSTR started tracking revisions of this situation.

What changed

2026-09-17 21:41 UTC → 2026-09-21 09:02 UTC · added ~~removed~~

Brazil’s fraud and cyberattack landscape continues to expand. The 2026 Public Security Yearbook confirmed a 429.8% rise in estelionato cases since 2018, with over 2.2 million reports in 2025. While traditional thefts like vehicle and cellphone robbery have declined, digital threats are surging. In 2025, Brazil recorded 753.8 billion cyberattack attempts, including malware and botnets. Malware distribution rose 535% compared to 2024, and the country ranked among the top ten globally for ransomware victims. Identity fraud saw a significant spike in 2026. Serasa Experian reported approximately 2.8 million identity fraud attempts during the first half of the year, a 32.9% increase over 2025. The retail sector experienced the highest increase at 120.7%, followed by telecommunications (51.4%) and services (40.2%). Newer threats are increasingly powered by automation; AI-driven cyberattacks are growing three times faster than the global average, utilizing voice cloning, customized phishing, and agentic AI to execute tactical tasks. Recent data ~~highlights~~ shows a shift in tactics. In August 2026, the ~~intensity of these attacks, noting that over 50.7 million fraudulent messages were detected~~ Equifax BoaVista Fraud Index reported a 13.2% month-over-month increase in the ~~first half of 2026, averaging 3.2~~ fraud rate, rising to 1.37%. While total attempts ~~per second. Criminal tactics~~ grew by 5.7%, the average ticket value dropped by 8.6% to R$ 940.07, suggesting a more fragmented approach. Fraudsters are ~~evolving~~ also increasingly targeting loyalty programs through ~~social engineering to exploit fear and urgency, including fake job offers on LinkedIn~~ phishing via SMS and social media. Telephony-based scams ~~targeting religious groups or legal professionals. Identity fraud in the telephony sector rose by 51.4% in the first half~~ now account for 53% of ~~the year, with over 631,000 attempts recorded. The e-commerce sector faces massive economic pressure, with~~ digital fraud ~~losses potentially exceeding~~ attempts. The 2026 Public Security Yearbook indicates approximately 16.5 million Brazilians lost money to fraud, totaling roughly R$ 8.1 billion in 2026. Newer findings indicate that 32% of Brazilian internet users aged 16 or older have reported attempted scams involving personal data, with 20% reporting they have been actual victims. 21.2 billion. In ~~response, financial institutions like Itaú~~ response to over 203 million adulterated calls, Anatel ordered the blocking of Voros Telecomunicações and ~~Bradesco are intensifying efforts by utilizing telecommunications data~~ ELO Contact Center for their roles in over 4.3 million spoofed calls between September 2025 and ~~real-time AI transaction analysis to identify suspicious patterns.~~ June 2026.

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