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SecuLetter Co., Ltd. — Investor Relations & Filings

Ticker · 418250 ISIN · KR7418250007 KO Telecommunications, computer programming, consultancy, computing infrastructure, and other information service activities
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Filings indexed 121 across all filing types
Latest filing 2025-02-20 Regulatory Filings
Country KR South Korea
Listing KO 418250

About SecuLetter Co., Ltd.

https://www.seculetter.com/en/

SecuLetter Co., Ltd. is a cybersecurity firm specializing in advanced threat detection and malware analysis. The company provides solutions to proactively defend against unknown cyberattacks, including zero-day exploits and ransomware, that leverage non-executable files. Its core technology utilizes a hybrid approach combining AI-driven static and dynamic analysis with automated reverse-engineering. A key differentiator is its Content Disarm and Reconstruction (CDR) technology, which operates on a zero-trust principle to neutralize embedded threats by disarming and rebuilding files into secure versions. SecuLetter's product suite offers protection for various environments, including email security (SLE), file security for internal networks (SLF), and cloud security (DISARM) designed to enhance platforms such as Microsoft 365.

Recent filings

Filing Released Lang Actions
기타시장안내 (실질심사 대상여부 결정을 위한 조사기간 연장 안내)
Regulatory Filings Classification · 100% confidence The document is a short regulatory notice from the stock exchange regarding the extension of the investigation period for the company's listing eligibility (delisting review). It does not fit into specific categories like financial reports or shareholder meetings, and it is a formal regulatory announcement regarding market status, making 'RNS' the most appropriate classification.
2025-02-20 Korean
매출액또는손익구조30%(대규모법인은15%)이상변동
Earnings Release Classification · 100% confidence The document is a regulatory filing from a Korean company (SecuLetter) announcing a significant change (over 30%) in revenue or profit structure. This is a standard regulatory disclosure requirement in the Korean market (DART system) for preliminary financial results before the final audit. Since it provides specific financial highlights and reasons for the variance rather than just announcing the availability of a report, it is classified as an Earnings Release (ER). FY 2024
2025-02-19 Korean
주주총회소집결의
AGM Information Classification · 98% confidence The document is a formal notice of a General Meeting of Shareholders (주주총회소집결의) for the company 'SecuLetter'. It outlines the date, location, and agenda items (such as approval of financial statements and election of directors) for the upcoming Annual General Meeting. This type of document is a standard proxy solicitation or notice of meeting, which falls under the category of Proxy Solicitation & Information Statement (PSI).
2025-02-19 Korean
주주총회집중일개최사유신고
AGM Information Classification · 95% confidence The document is a formal regulatory filing submitted to the Korea Exchange (KRX) regarding the 'Reason for holding a General Meeting of Shareholders on a concentrated date'. It explains why the company (SecuLetter) is holding its AGM on a date that coincides with other companies' meetings, citing internal audit and reporting timelines. Since this is a specific regulatory disclosure regarding meeting logistics rather than the meeting materials themselves or a proxy statement, it falls under the general regulatory filing category.
2025-02-19 Korean
[기재정정]감사보고서제출 (2023년도)
Audit Report / Information Classification · 99% confidence The document is a regulatory filing from the Korean Exchange (KRX) system, specifically a 'Correction Report' (정정신고) regarding a previously submitted 'Audit Report' (감사보고서 제출). It details changes to financial figures and audit opinions following a re-audit process. Since it is a formal regulatory disclosure of audit results and financial data updates, it falls under the category of Audit Report / Information. FY 2023
2025-01-24 Korean
[기재정정]사업보고서 (2023.12)
Audit Report / Information Classification · 100% confidence The document is a formal 'Audit Report' (감사보고서) for Seouletter Co., Ltd. It contains the independent auditor's opinion, financial statements (balance sheet, income statement, etc.), and notes to the financial statements. It specifically addresses a restatement of financial statements and a re-audit process. This fits the definition of an Audit Report (AR) as it is a standalone document detailing audit results and accounting principles, distinct from a full Annual Report (10-K). FY 2023
2025-01-24 Korean

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