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 accessed sensitive health data of Welltok patients
November 20, 2023
Hackers accessed the personal data of more than a million people by exploiting a security vulnerability in a file transfer tool used by Welltok, the healthcare platform owned by Virgin Pulse. Welltok, a Denver-based patient engagement company that works with healthcare plans to provide communications to subscribers about their healthcare, confirmed in a data breach notification ...
- K-12 schools improve protection against online attacks, but many are vulnerable to ransomware gangs
November 19, 2023
Some K-12 public schools are racing to improve protection against the threat of online attacks, but lax cybersecurity means thousands of others are vulnerable to ransomware gangs that can steal confidential data and disrupt operations. Since a White House conference in August on ransomware threats, dozens of school districts have signed up for free cybersecurity services, ...
- Scattered Spider
November 16, 2023
The Federal Bureau of Investigation (FBI) and Cybersecurity and Infrastructure Security Agency (CISA) are releasing this joint Cybersecurity Advisory (CSA) in response to recent activity by Scattered Spider threat actors against the commercial facilities sectors and subsectors. This advisory provides tactics, techniques, and procedures (TTPs) obtained through FBI investigations as recently as November 2023. Scattered Spider ...
- 9 million patients had data stolen after US medical transcription firm hacked
November 15, 2023
Close to nine million patients had highly sensitive personal and health information stolen during a cyberattack on a U.S. medical transcription service earlier this year, representing one of the worst medical-related data breaches in recent times. The medical transcription company, Perry Johnson & Associates, or PJ&A, is a Henderson, Nevada-based company that provides transcription services to ...
- #StopRansomware: Rhysida Ransomware
November 15, 2023
The Federal Bureau of Investigation (FBI), Cybersecurity and Infrastructure Security Agency (CISA), and the MultiState Information Sharing and Analysis Center (MS-ISAC) are releasing this joint CSA to disseminate known Rhysida ransomware IOCs and TTPs identified through investigations as recently as September 2023. Rhysida – an emerging ransomware variant – has predominately been deployed against the education, ...
- Over two million users hit by top US pharmacy provider data breach
November 15, 2023
Truepill, formerly known as Postmeds, suffered a data breach that resulted in sensitive data on more than 2.3 million patients being stolen. The US Department of Health and Human Services Office for Civil Rights breach portal listed Truepill (or rather Postmeds) as being under investigation for a data breach that affected a total of 2,364,359 people. Read ...

