Science & Tech · Cybersecurity · 2 hrs ago
Monex Securities pauses new account openings after access attempts
Monex Securities has temporarily stopped new account openings for its securities trading accounts.
The pause, announced on October 20, affects applications through the company’s website and app.
The company found signs of attempted access to a part of its account-opening system managed by an outside provider.
It said the suspension was a precaution and has not said that customer information was accessed.
A specialist team is investigating and checking system safety, and the company has not given a date for restarting applications.
The move comes after another Japanese brokerage, Iwai Cosmo Securities, reported unauthorized access that led to customer information being leaked and unwanted trades in some accounts.
Monex Securities temporarily stopped accepting new securities account applications on October 20.
The company said it found signs that a third party had tried to access part of its account-opening system managed by an external contractor.
It described the halt as a preventive measure while a specialist team investigates and checks the system’s safety.
The company did not say when applications would resume.
It did not identify the contractor or say when the access attempts occurred.
- Who
- Monex Securities.
- What
- It temporarily stopped accepting new applications for securities accounts after finding signs of attempted third-party access to part of its account-opening system.
- When
- October 20, 2026.
- Where
- Through Monex Securities’ website and app.
- Why
- The company found signs that a third party had tried to access a system component managed by an external contractor.
This story does not have two clearly opposing sides.
Monex Securities announced that it had temporarily stopped accepting new securities account applications.
A specialist team began investigating and checking the system’s safety.
- Application status
- New securities account openings temporarily stopped
- Date announced
- October 20, 2026
- Affected channels
- Monex Securities’ website and app
- System component
- Part managed by an external contractor
- Resumption date
- Not stated
What people are saying
preventive measure