Komori
Other Disclosures4398BroadBand Security,Inc.Information and Communications, Services and Others

In response to a series of unauthorized access incidents in Japan, BBSec recommends visualizing and strengthening measures against “invisible security risks”

In response to a series of unauthorized access incidents in Japan, BBSec recommended that companies and organizations examine externally visible IT assets and signs of information leaks, and proceed with vulnerability remediation and ongoing monitoring and response. It also outlined support provided through its ASM, cyber threat intelligence investigations, vulnerability assessments, G-MDR (managed detection and response), and other services.

Worth reading
46Recurring
0–100. This measures how worthwhile something is to read, not how good or bad the company is.
Direction
Neutral
Direction inferred from the company’s description.
Scale
—
Displayed only when the document provides numerical figures.
Wording
Conditional
How definitive the wording is.

Announced details

Attack surface assessment serviceCyber threat intelligence investigation serviceWeb application and API vulnerability assessmentCloud configuration assessmentG-MDR
Applicable field (uses covered by this announcement)
Retail and E-CommerceTravel and accommodationTransportFinance and paymentsManufacturing and Logistics
What the company reported numerically
Quantitative Effects

The proportion of consultations related to unauthorized access rose from 37.3% in January-July 2026 to 57.4% from August onward

Relationship between the counterparty and the company
BroadBand Security,Inc.4398
Relationship with the Company

Service provider supporting companies and organizations with security measures

Location (as indicated in this announcement)

Shinjuku-ku, Tokyo

In this announcement the company addresses none of Contract Value / Offering price / Impact on Business Performance.

Source (materials cited by the company)

JPCERT/CC, “Alert on a Recent Series of Unauthorized Access Incidents Affecting Organizations in Japan”

BBSec, “In Response to a Series of Unauthorized Access Incidents in Japan, BBSec Recommends Rechecking Basic Security Measures for Public Web Services”

Announced details
ItemDetails
Names of Products / Services CoveredAttack surface assessment service, Cyber threat intelligence investigation service, Web application and API vulnerability assessment, Cloud configuration assessment, G-MDR
Relationship with the CompanyService provider supporting companies and organizations with security measures
Applicable areaRetail and E-Commerce, Travel and accommodation, Transport, Finance and payments, Manufacturing and Logistics
LocationShinjuku-ku, Tokyo
Quantitative EffectsThe proportion of consultations related to unauthorized access rose from 37.3% in January-July 2026 to 57.4% from August onward
SourceJPCERT/CC, “Alert on a Recent Series of Unauthorized Access Incidents Affecting Organizations in Japan”, BBSec, “In Response to a Series of Unauthorized Access Incidents in Japan, BBSec Recommends Rechecking Basic Security Measures for Public Web Services”
Items this document does not state (12)
CounterpartyCounterparty overviewContract ValueOffering priceContract DateLaunch dateAward/certification nameAwarding / certifying bodyRegistration number and expiry dateLocation scaleUsage historyImpact on Business Performance

These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.

The reasons the company gives

The company's own explanation, not something inferred from the numbers.

Because, following the disclosure of damage caused by a series of unauthorized access incidents in Japan, companies and organizations need to understand their publicly exposed assets and signs of information leaks and strengthen their security measures.

How to read this page

This is not the documentKomori reads the disclosure the company filed and writes this summary. Figures are as stated by the company and are not audited.
Weight is not a verdictIt measures how much this changes what the company had already told the market. It is not a view on the shares.
Corrections happenIf the company reissues this disclosure, the page is rebuilt from the corrected version and the revision number moves up.
In response to a series of unauthorized access incidents in Japan, BBSec recommends visualizing and strengthening measures against “invisible security risks” | BroadBand Security,Inc. (4398) timely disclosure | Komori