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Tom Lowenthal
Tom Lowenthal

895 Followers

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Dec 31, 2022

What the Factor?

Stop thinking about authentication factors. What matters is the quality and properties of the protocol, not the factors it invokes. — You’ve heard of multi-factor authentication (“MFA”), or two step verification (“2SV”). You may associate this with a security key you plug into your USB port or a code from your phone you have to enter alongside your password. Your security team at work and your tech-conscious friends keep nudging you…

Security

7 min read

What the Factor?
What the Factor?
Security

7 min read


Sep 27, 2022

Remember what we can do together

Some people want to be remembered. They want statues or plaques or lines in history books. I don’t want to be remembered for my achievements — that would be a lie, or at least not a complete truth. I have achieved nothing alone. …

Socialism

3 min read

Remember what we can do together
Remember what we can do together
Socialism

3 min read


Jun 24, 2022

Wanderers, Still

The distant future. An ancient ark ship flies through the void of space. So long has passed that even with cold sleep, none aboard ever called a planet home. …

Science Fiction

3 min read

Wanderers, Still
Wanderers, Still
Science Fiction

3 min read


Feb 6, 2021

Pronouns in Profiles

Products with profiles should have fields for pronouns. Here’s how. — Your product has profiles — spaces where people can communicate who they are. These probably include a space for a name, and the option to upload a picture. They might include a banner or header image, a short bio, a field for location, or other info. One field you should…

Pronouns

3 min read

Pronouns in Profiles
Pronouns in Profiles
Pronouns

3 min read


Oct 14, 2020

Why, Where, and How to Vote

Democracy is neat. Its selling point is that it creates the conditions for political change without violence, and in a methodical and measured manner. Which all sounds great — but the US isn’t a democracy, at least not at the federal level. Undemocratic institutions like the Senate, the Electoral College…

San Francisco

5 min read

Why, Where, and How to Vote
Why, Where, and How to Vote
San Francisco

5 min read


Jul 10, 2020

Thinking of building tools for journalists & activists?

Think again. — Software isn’t secure. This hurts everyone, but it places the most vulnerable at excessive risk. Journalists, activists, queer people, sex workers, union organizers… Everyone deserves safe tools, but the danger isn’t distributed evenly. From time people decide to build secure software to help protect the most vulnerable in society. Sometimes…

Security

4 min read

Thinking of building tools for journalists & activists?
Thinking of building tools for journalists & activists?
Security

4 min read


Jun 17, 2020

A theory of product management

There are two aspects to product management: the product, and the management. An effective PM combines the mindset and skills needed to excel at each. To make a great product, the chief demand is empathy, followed closely by curiosity. Empathy — and its cousin compassion — let you understand the…

Product Management

2 min read

A theory of product management
A theory of product management
Product Management

2 min read


Jun 15, 2019

My gender is…

My gender is the twelve chimes of a venerable and lovingly-maintained clock on a seasoned solicitor’s shelf, resonating through brass and wood, a reminder on an August afternoon to rest for a moment. My gender is the subtle oscillation of a phone face-down on a table, showing a message from…

Poetry

1 min read

Poetry

1 min read


Nov 13, 2018

Interview with an Occultist

What advice do you have for aspiring occult practitioners? For me the most important part of founding a secret society is a genuine curiosity. Some people yearn for power or want to perform impressive summoning rites. Don’t get me wrong — ambition is a powerful drive and summoning is a…

Cultist Simulator

3 min read

Interview with an Occultist
Interview with an Occultist
Cultist Simulator

3 min read


Aug 18, 2018

Surviving Smoke and Ash

Staying healthy and safe during wildfire season — Summary for the hurried: Use an AQI app on your phone to notify you when the air gets gross. When the AQI goes above 150, avoid going outside. Consider sealing windows and filtering the air in your home. When you have to go outside, wear a mask rated N95 or…

Environment

11 min read

Surviving Smoke and Ash
Surviving Smoke and Ash
Environment

11 min read

Tom Lowenthal

Tom Lowenthal

895 Followers
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