Available in Classic and VPC
File Safer is a NAVER Cloud Platform service that helps detect whether files delivered via the web and outbound links contain malicious code. Uploaded/downloaded files, URLs included in bulletin board posts, email attachments, and update files released to multiple users can be infected with malicious code at any time by attackers with malicious intent. File Safer provides features to detect and monitor malicious code in order to minimize potential damage from such situations.
File Safer consists of a Hash Filter and a File Filter, and its features can be used through the NAVER Cloud Platform console or REST API calls.
- Hash Filter: Extracts the hash value of a file suspected to contain malicious code or the hash value of a URL string to check whether it is malicious.
- File Filter: Checks whether file objects not identified by the Hash Filter are malicious.
File Safer features
File Safer offers these key features:
- Provides multiple inspection methods: Offers a method to analyze the entire file for detecting new or variant malware that cannot be easily identified by hash values alone. Useful for pre-checking development versions before service release.
- Detection history and usage status inquiry: Allows users to view malware detection status and inspection history in the console. Provides statistical data such as the number of requests and detections per unit time.
- Provision of REST APIs: Provides REST APIs so that users can implement File Safer functionality in their applications or web services.
-
The distinction between features provided via the REST API and the console is as follows:
Service Type Features Description Hash Filter Console View malware detection status View Hash Filter inspection statistics for the current day and usage by period. View detection history Download detailed history of Hash Filter malware inspections. View hash Directly enter hash values (MD5, SHA-1) to check for malicious code. Configure result notifications Configure email notifications for inspection results, notification conditions, and advanced settings (threshold settings). REST API Hash inspection Extract the hash value of a file or URL string and request inspection and retrieve results via API calls. Configure result notifications Configure and view email notification settings, notification conditions, and thresholds for Hash Filter inspection results. File Filter Console View malware detection status View File Filter inspection statistics for the current day and usage by period. View analysis history Download detailed history of File Filter malware inspections. Analyze file Upload a single file directly to check for malicious code. Configure result notifications Configure email notifications for inspection results, notification conditions, and advanced settings (threshold settings). REST API Request file inspection Send file objects via API calls to request malware inspection and retrieve results. View file inspection results Retrieve results of previously performed file inspections via API calls. Configure result notifications Configure and view email notification settings, notification conditions, and thresholds for File Filter inspection results.
-
File Safer user guide
File Safer is available in the Korea, U.S., Singapore, Japan, and Germany Regions. The services provided in these Regions are the same. Use this guide to get the most out of File Safer.
- File Safer overview: Learn about the service and find helpful resources.
- File Safer prerequisites: View supported environments, service specifications and pricing information.
- File Safer concepts: View the process of blocking malicious code using File Safer.
- File Safer quickstart: Follow a step-by-step guide through the entire process.
- Getting started: Learn how to manage subscriptions.
- Using File Safer: Learn how to access File Safer from the NAVER Cloud Platform console.
- Manage subscriptions: Learn how to navigate to File Safer > Subscription in the NAVER Cloud Platform console.
- Hash Filter: Learn how to use the Hash Filter feature in the NAVER Cloud Platform console.
- File Filter: Learn how to use the File Filter feature in the NAVER Cloud Platform console.
- Notification Setting: Learn how to notify recipients of malware inspection results in the NAVER Cloud Platform console.
- Develop File Safer: Learn how to develop a malware inspection program using the File Safer REST API.
- Develop Hash Filter: Learn how to write Hash Filter codes using the Hash Filter REST API.
- Develop File Filter: Learn how to write File Filter codes using the File Filter REST API.
- Configure result notifications: Learn how to write code for configuring inspection result notifications using the Hash Filter/File Filter REST API.
- File Safer permissions management: Manage accounts using NAVER Cloud Platform’s Sub Account.
- File Safer glossary: Find key terms and definitions.
- File Safer release notes: See documentation updates.
File Safer related resources
Beyond the user guide, these resources provide additional context and support for File Safer. Whether you're considering File Safer or need in-depth information for establishing data policies, development, marketing, and other purposes, these resources can help:
- Learn more about File Safer
- File Safer API guide: File Safer REST API specifications.
- Ncloud user environment guide: Explore VPC and Classic environments and supported services.
- Pricing and features: View pricing details and key capabilities.
- Latest announcements: Stay informed about service updates and news.
- FAQs: Get answers to common File Safer questions.
- Contact Support: Get help if you can't find what you need in the user guide.
- Learn about integrated services
- API Gateway user guide: Learn how to issue an API key to use the File Safer REST API.
- Sub Account user guide: Manage team access for File Safer.
FAQs
You can have your questions answered quickly by referring to the answers in the FAQs before reading the user guides. If you haven't found the answer to your question in the following FAQ, search the user guide to find related contents.
Q. What is the difference between Hash Filter and File Filter?
A. Hash Filter determines whether content is malicious using hash values extracted from files or URLs, while File Filter determines maliciousness by uploading and inspecting the file object itself.
- Hash Filter uses fixed-length hash values, making transactions short and simple with minimal overhead for parsing results. Therefore, it places little burden on system integration and user interfaces.
- File Filter uploads files that cannot be identified by Hash Filter to determine whether they are malicious, making transactions slower than Hash Filter but capable of detecting new and variant malware. Malware detected by File Filter is also added to the Hash Filter database, so it is automatically applied to Hash Filter after initial detection.
Q. What are the benefits of using File Safer, and how can I use it?
A. During service operation, files are frequently uploaded or downloaded through bulletin boards and other channels, and in this process, vulnerabilities may be exploited to upload malicious code or release infected files. File Safer provides various malware inspection methods to ensure reliable service in such cases. By using the REST API provided by File Safer, users can check whether uploaded/downloaded files are malicious and, if necessary, allow or block those files to improve service reliability.
Q. Which hash algorithms are supported?
A. File Safer supports MD5 and SHA-1 hash algorithms, and the use of SHA-1 is recommended. Support for SHA-3 will be added in the future.