The FBI warns the public about criminals targeting US stock investors through social media platforms and messaging service applications (apps). The scheme, known as a “ramp-and-dump” stock manipulation, targets US investors through online engagement, often via social media advertisements or messages promoting an “investment club” of fellow investors, some of which may be bots or fake accounts.
These promotions typically direct victims to secure messaging apps where the group operates. To appear credible, perpetrators may impersonate legitimate brokerage firms or well-known stock analysts. They secretly control a large volume of a low-priced stock and coordinate efforts to inflate its price (“ramp up”) by encouraging investment club members to purchase shares over a period of several weeks or months. Once the price is artificially elevated, the criminals sell off (“dump”) their shares at a profit, leaving unsuspecting investors with significant losses as the stock value collapses.
Read more…
Source: U.S. Federal Bureau of Investigation Cyber Division
Sign up for the Cyber Security Review Newsletter
The latest news and insights delivered right to your inbox.
Related:
- DHS and DG CONNECT Announce Initiative Comparing Cyber Incident Reporting to Better Align Transatlantic Approaches
March 20, 2024
WASHINGTON – Today, the US Department of Homeland Security (DHS) and European Commission’s Directorate General for Communications, Networks, Content, and Technology (DG CONNECT) announced an initiative to compare cyber incident reporting elements that will inform cyber incident reporting requirements by the US, and European Union (EU) under the NIS 2 Directive. This transatlantic collaboration between the ...
- The ‘AT&T breach’ – what you need to know
March 20, 2024
Earlier this week, the data of over 70 million people was posted for sale on an online cybercrime forum. The person selling the data claims it stems from a 2021 breach at AT&T. Back in 2021, a hacker named Shiny Hunters claimed to have breached AT&T and put the alleged stolen data up for sale for ...
- Mandatory cyber requirements after Change Healthcare attack opposed by health sector
March 18, 2024
The American Hospital Association has opposed mandatory cybersecurity requirements proposed for the healthcare sector following the ransomware attack against Change Healthcare, which has resulted in widespread prescription processing outages across the U.S. “Imposing fines or cutting Medicare payments would diminish hospital resources needed to combat cybercrime and would be counterproductive to our shared goal of preventing ...
- Ransomware’s appetite for US healthcare sees known attacks double in a year
March 15, 2024
Following the February 21 attack on Change Healthcare, scores of people in the US have been living with the brutal, real-world effects of ransomware. Described by the American Hospital Association (AHA) President and CEO Rick Pollack as “the most significant and consequential incident of its kind against the US health care system in history,” the attack ...
- CIA allegedly made fake social media accounts to troll the Chinese government
March 14, 2024
The CIA allegedly launched a secret operation to troll Chinese officials and turn public opinion against them through leaked intelligence and negative news on social media. Reuters reports the operation began in 2019 and was also aimed at causing paranoia within Xi Jinping’s government. CIA agents reportedly made fake social media accounts to spread rumors, such ...
- US health department opens probe into UnitedHealth hack
March 13, 2024
The U.S. government on Wednesday said it has opened an investigation into the cyberattack at UnitedHealth Group’s Change Healthcare to find out whether there was a breach of protected health data and if the company followed U.S. health privacy law. It is the first announcement of a probe by the Department Of Health and Human Services ...

