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:
- Hackers took down U.S. airport web sites, Department of Homeland Security confirms
October 10, 2022
Unknown hackers attacked and temporarily shut down the public-facing websites of at least several major U.S. airports on Monday, a Department of Homeland Security official confirmed to USA TODAY. The official from DHS’ Cybersecurity and Infrastructure Security Agency or CISA, declined to comment on who might have been behind what appeared to be a coordinated series ...
- Utility security is so bad, US DoE offers rate cuts to improve it
October 7, 2022
The US Department of Energy has proposed regulations to financially reward cybersecurity modernization at power plants by offering rate deals for everything from buying new hardware to paying for outside help. In a notice of proposed rulemaking published earlier this week (which nullified a similar 2021 plan), the DoE said the time was right “to establish ...
- Nonprofit hospital network suffers IT meltdown after ‘security incident’
October 6, 2022
America’s second-largest nonprofit healthcare org is suffering a security “issue” that has diverted ambulances and shut down electronic records systems at hospitals around the country. CommonSpirit Health, a Chicago-based organization that has more than 1,000 facilities and 140 hospitals across 21 states, this week copped to an “IT security issue” affecting “some” of its locations. The ...
- Russian Hackers Reveal List of American Targets for Attack
October 5, 2022
A pro-Russian computer hacking cell announced it will be launching a series of cyber attacks on a number of United States government websites in an apparent response to escalating tensions between the country and the North Atlantic Treaty Organization (NATO). In a Telegram post Wednesday, Killnet, a notorious “hacktivist” group formed at the onset of the ...
- How Ransomware Is Causing Chaos in American Schools
October 3, 2022
May 19, 2021 was supposed to be just another day at the end of the school year at Sierra College, a community college in Rocklin, California. Instead, hackers hit the school with ransomware, throwing it into chaos. “We are experiencing a major cybersecurity event this morning that is impacting the majority of services at Sierra College,” ...
- Ransomware gang leaks data stolen from LAUSD school system
October 3, 2022
Thousands of files apparently stolen last month in a ransomware attack on the Los Angeles Unified School District were released on the dark web over the weekend. The threat has been a major concern for the nation’s second-largest school district since Labor Day Weekend, when a cyber intrusion forced school district officials to take the extraordinary ...

