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YPYogesh Peelaexploitnotes.hashnode.dev1d ago · 11 min read

HackTheBox: Manage Writeup

Summary Manage is a Linux box built around an exposed Java RMI / JMX service running alongside an Apache Tomcat 10.1.19 web server. The JMX endpoint had no authentication configured, which allowed a r

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ATAlex Towellqueelius.hashnode.devApr 10 · 6 min read

Posthumous: A Federated Dead Man's Switch

Some things should only happen after you can't do them yourself. Posthumous is a self-hosted dead man's switch. You check in periodically (via phone, browser, CLI, or API call) and if you stop, it progresses through escalating stages before triggerin...

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AMAkhilesh Malthisoftdevs.hashnode.devDec 9, 2025 · 4 min read

What is TOTP? Understanding Time-based Security

In this article, we will explore what TOTP actually is, see it in action during a security breach, and then dismantle the clock-based mathematics that makes it work. What is TOTP? TOTP stands for Time-based One-Time Password. It is an algorithm that ...

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YAYusuf Adeyemoblog.yusadolat.meDec 8, 2025 · 5 min read

Understanding TOTP: What Really Happens When You Generate That 6-Digit Code

This article started from a tweet. Someone on Twitter said they "lowkey want to understand the technology behind Google Authenticator" and I dropped a quick reply - explaining that it's basically TOTP: your device and the server share a secret key, b...

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AGAnish Gandhinocodeanish.hashnode.devOct 20, 2025 · 9 min read

How to Implement TOTP(time-based one-time passwords) based 2FA in Bubble.io Without Using Any APIs?

TL;DR Bubble.io doesn’t natively support TOTP-based two-factor authentication (2FA) - the kind used by Google Authenticator and Authy - because it lacks built-in tools for generating secret keys, verifying time-based codes, and performing cryptograph...

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EFEddi Freiterblog.freiter.comDec 8, 2024 · 3 min read

Simple and cost-effective MFA deployment with TOTP

Written by Eddi Freiter in collaboration with Will Neumann Organizations of all sizes are increasingly using productivity tools and applications hosted in the cloud. However, providing secure access to user information and sensitive data remains a si...

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MAMukul Aryalblog.mukul.com.npAug 26, 2024 · 12 min read

Understand how Google Authenticator works by building a Django App

Have you ever used apps like Google Authenticator and Microsoft authenticator for two-factor authentication? These applications provide an easy-to-use and safe method for authenticating your account across many different websites. You may want to int...

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SASaleh Alhaddadsalehalhaddad.hashnode.devAug 9, 2024 · 9 min read

Time-based One-time Password (TOTP)?, How to use it in Ruby On Rails API?

Intro Security is paramount in today's digital world. Two-factor authentication (2FA) adds an extra layer of protection beyond just usernames and passwords. While SMS OTP is a common 2FA method, it can be costly, but TOTP (Time-Based One-Time Passwo...

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SSuperTokenssupertokens.hashnode.devJan 19, 2024 · 7 min read

The Multifaceted Benefits of Multi-Factor Authentication

In 2022, over 80% of data breaches were attributed to compromised passwords. Although email-password based authentication has become the de facto method for authentication, it is very vulnerable to attacks. Through phishing, keylogging or simple brut...

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RCRaphael Carlos Regoblog.raphaelcarlosr.devMar 13, 2023 · 2 min read

🔐How to decode and use 2FA code generated by TOTP Algorithm 🤖

You may have entered a 6-digit code from a 2FA app like Google Authenticator 😬, but where did this code come from? The answer lies within the QR code and the inner workings of the Time-based One-time Password algorithm (TOTP) 🔍. In this article, we...

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Trending tags this week

HackTheBox: Manage Writeup

Posthumous: A Federated Dead Man's Switch

What is TOTP? Understanding Time-based Security

Understanding TOTP: What Really Happens When You Generate That 6-Digit Code

How to Implement TOTP(time-based one-time passwords) based 2FA in Bubble.io Without Using Any APIs?

Simple and cost-effective MFA deployment with TOTP

Understand how Google Authenticator works by building a Django App

Time-based One-time Password (TOTP)?, How to use it in Ruby On Rails API?

The Multifaceted Benefits of Multi-Factor Authentication

🔐How to decode and use 2FA code generated by TOTP Algorithm 🤖