Blog - LINE ENGINEERING

Lee Myeongjae

He is a security engineer at LINE.

About the LINE Anti Phishing promotion
Lee Myeongjae2021-12-01
He is a security engineer at LINE.
Hello, this is MJ from LINE's Security Team. The LINE Anti Phishing promotion begins today (December 1). For more details on the promotion, please check the official site. Promotion details The LINE Anti Phishing promotion asks participants to provide information on phishing sites that target services provided by LINE Corporation and partner companies Yahoo Japan Corporation, PayPay Corporation, and PayPay Bank Corporation. If the information provided is deemed beneficial, we will o
- Security
- LINE Anti Phishing
Monitoring to prevent game cheating
Lee Myeongjae2019-07-12
He is a security engineer at LINE.
It has been six years since we've began LINE GAME, and over those six years we've been through many experiences. Today, I'd like to share some lessons we've learned along the six-year journey of LINE GAME, specifically focusing on how we used monitoring to prevent game cheating. When I say "game cheat" in this blog post, I am referring to malicious users (abusers) using exploitative means to give themselves an advantage in the game, such as engaging in the act of modifying apps or manipulating
- Security Engineering
- LINE Games
LINE Security Bug Bounty Program Report 2018 - First half
Lee Myeongjae2018-08-09
He is a security engineer at LINE.
#progstat td:not(:first-child), #progstat th:not(:first-child) { text-align:center; width: 20%; } #rewardref th, #rewardref td{ padding: 15px; } This is Myeongjae Lee (MJ), back with our report on running the LINE Security Bug Bounty program from January till June this year. The 'LINE Security Bug Bounty Program' aims to provide LINE users the most secure service by fixing potential vulnerabilities in advance, by getting reports from external security researchers. If you are inter
- Bug Bounty
LINE Security Bug Bounty Program Report 2017
Lee Myeongjae2018-02-13
He is a security engineer at LINE.
Hello again, this is Myoungje Yi (MJ) from LINE's security team. I'd like to share our annual report on running the LINE Security Bug Bounty Program in 2017. Program scope expansion & donation option The 'LINE Security Bug Bounty Program' aims to provide LINE users the most secure service by fixing potential vulnerabilities in advance, by getting reports from external security researchers. As we have already mentioned in our previous post, we have expanded the program scope in 2017, which re
- Security
- Bug Bounty
Results From First half of 2017 LINE Security Bug Bounty Program
Lee Myeongjae2017-08-06
He is a security engineer at LINE.
Scope Expansion Hi you all, this is MJ (Myoungjae Lee), in charge of security at LINE. I am back with a report on running the LINE Security Bug Bounty Program for the first half of 2017. For those of you who are new to this program, the purpose of this program is to provide LINE users the most secure service possible by letting external security researchers submit bug (vulnerability) reports which we would then immediately fix. Since our official launch of the program on June 2, 2016, we have ex
- Security
- Bug Bounty
Outcomes of the LINE Security Bug Bounty Program
Lee Myeongjae2017-02-07
He is a security engineer at LINE.
About the LINE Security Bug Bounty Program Hello, my name is Lee Myoung Jae (MJ) and I'm in charge of security at LINE. In this post I'm going to talk about the LINE Security Bug Bounty Program and the results of the program in 2016. The LINE Security Bug Bounty Program is an ongoing program to make the LINE app more secure for our users by letting external engineers submit bug (vulnerability) reports which we would then immediately fix. We first conducted a trial run of the program called the L
- Security
- Bug Bounty
Results From the LINE Bug Bounty
Lee Myeongjae2015-12-16
He is a security engineer at LINE.
Preparing the Bug Bounty Program Hello. I am MJ, a LINE security engineer. In this post I would like to share the results of the 2015 LINE Bug Bounty (August 24-September 23). As our first ever bug bounty program, we are very pleased with how well the program came together. The core objective of the program was to discover and fix potential vulnerabilities in our services so that our users can enjoy them safely. Several departments lent us a hand in preparing the program and we could not have do
- Security Engineering
- Bug Bounty
Introducing the LINE Bug Bounty Program
Lee Myeongjae2015-08-04
He is a security engineer at LINE.
Hello. I am MJ from the LINE Security Department. In this post, I would like to announce the details of the LINE Bug Bounty.What is a bug bounty?Companies use bug bounty programs to strengthen their services and products by rewarding users that can find vulnerabilities in them. Many companies have used these programs to take a more active role in strengthening the security of their services.LINE has grown as a global company that now provides services to more than 2 hundred million active users
- Security
- Bug Bounty

1