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ADAPTIVE SECURITY (PRODUCT LAUNCH)

Adaptive Security is an AI-powered platform that simulates deepfake and impersonation attacks across email, voice, and messaging to expose weak controls. It also delivers personalized training and policy enforcement to help employees detect and resist AI-driven social engineering threats.

2026.02.25
adaptivesecurity.comTLDR InfoSec

HIJAGGER

Hijagger checks all maintainers of all npm and PyPi packages for hijackable packages through domain re-registration.

2026.02.25
github.comGitHub repositoryTLDR InfoSec

CLOUDFLARE ONE IS THE FIRST SASE OFFERING MODERN POST-QUANTUM ENCRYPTION ACROSS THE FULL PLATFORM

Cloudflare One is the first SASE platform to support standards-compliant post-quantum hybrid ML-KEM encryption across all major on-ramps and off-ramps, including its Secure Web Gateway, Zero Trust, and WAN use cases. The upgrade extends post-quantum protection to Cloudflare IPsec (now in closed beta) and the Cloudflare One Appliance (GA in version 2026.2.0), defending enterprise traffic against harvest-now-decrypt-later attacks ahead of NIST's 2030 deadline for deprecating RSA and ECC. The implementation follows the draft-ietf-ipsecme-ikev2-mlkem specification rather than proprietary approaches, and is available at no extra cost.

2026.02.25
blog.cloudflare.com12 min readTLDR InfoSec

KOREAN COPS CHARGE TEENS OVER BIKE HIRE BREACH THAT EXPOSED DATA ON 4.62M RIDERS

South Korean police charged two teens for breaching Seoul's Ttareungyi bike rental system in 2024, accessing data on 4.62 million of 5 million users, including contact and personal details. Investigators say the pair met on Telegram, hacked while still in middle school, and intended to profit, though there's no evidence the data was sold.

2026.02.25
theregister.com2 min readTLDR InfoSec

scale

*New accounts only, limit 1 per account, additional terms apply [6].

2026.02.25
business.reddit.comTLDR Marketing

Sponsored

SLEEPING ON REDDIT ADS?

Financial content on Reddit is exploding. During 2025 tax season, personal tax conversations hit 379M VIEWS, with high-intent traffic spiking 71% around Tax Day.

2026.02.25
business.reddit.comSponsorTLDR Marketing

SEARCH ISN'T JUST TURNING TO AI, IT'S BEING RE-MONETIZED: TEXT ADS ARE TAKING A BIGGER SHARE OF GOOGLE SERP CLICKS

Organic search is losing share as Google increasingly favors paid placements. From January 2025 to January 2026, classic organic clicks fell sharply across major verticals. Text ads gained 7-13 points, and paid clicks in product categories like headphones rose from 16% to 36%. Google AI Overviews expanded across SERPs, but zero-click rates stayed mostly stable. The shift is toward paid rather than fewer clicks overall. Brands are boosting paid spend to offset organic declines, creating a self-reinforcing cycle of competition.

2026.02.25
aleydasolis.com12 min readTLDR Marketing

‘WE'RE LOSING ACCESSIBILITY': AMERICA SAYS GOODBYE TO THE MASS-MARKET PAPERBACK

Mass-market paperbacks are disappearing across the US. They were once cheap and portable, making reading accessible to working-class Americans. Popularized from the 1930s, they were sold in supermarkets and non-bookstore outlets. The format offered affordability and portability that helped democratize literature. Sales have declined steadily over the decades. E-readers and smartphones have replaced their convenience. Readers now value books as aesthetic objects. This shift limits low-cost access for young and lower-income readers.

2026.02.25
theguardian.com6 min readTLDR Marketing

KEEP YOUR ADS AWAY FROM TOXIC CONTENT

Ads placed beside unsafe content harm brand perception. In one case, favorability fell up to 19% and trust in a telecom brand dropped 17.8% when its ad appeared next to antisemitic material. Even hearing about the placement lowered opinions by 17.7%. Immediate brand statements raised trust by 18.1%, while delays weakened recovery. Tight placement controls and rapid response protect trust.

2026.02.25
app.sciencesays.com3 min readTLDR Marketing

LINKEDIN EVENTS FOR LEAD GENERATION: HOW TO MARKET, ENGAGE, AND CONVERT

LinkedIn events can drive strong B2B leads when planned early, promoted across channels, and followed by structured outreach. Launch 2-4 weeks ahead, reinforce value with regular updates and polls, then repurpose the recording into 5-10 short clips and practical resources to extend reach. Segment attendees by engagement and use automated personalized follow-up to sustain momentum. Weak messaging and poor follow-up cause warm leads to fade.

2026.02.25
snov.io10 min readTLDR Marketing

Sponsored

MOST ADS GET IGNORED. TLDR ADS GET PIPELINE

Delve generated $1M in pipeline from TLDR ads. That's what happens when your ad reaches 6M+ tech professionals inside content they actually trust. We even write the copy for you. Ready to get started?

2026.02.25
advertise.tldr.techSponsorTLDR Marketing

TRAINING CLAUDE TO RUN MY PAID ADS

Claude Skills can function as a paid ads assistant that accelerates specialist work. These mini agents activate automatically in chat and chain together to deliver targeted outputs beyond generic prompts. The system was trained to score ads, scan competitors, and generate creative using a six-factor weighted framework. It covered elements like hook strength and message clarity, grounded in principles from David Ogilvy and Claude Hopkins. It generated an 11-page analysis of 110 competitor ads in minutes.

2026.02.25
jon4growth.substack.com5 min readTLDR Marketing

WHAT IS GOOGLE'S PREFERRED SOURCES?

Google's Preferred Sources is a personalization feature that allows logged-in users to prioritize specific publishers within the Top Stories section. Available globally for English-language queries that trigger Top Stories, it lets users select preferred domains or subdomains, which can then appear in a dedicated “From your sources” box and within standard results. For publishers facing reduced visibility from AI summaries and zero-click search, the feature offers a way to strengthen loyalty and increase repeat exposure. While Google does not yet provide analytics to track preferred source performance, publishers can drive adoption through on-site CTAs, newsletter messaging, social promotion, and visible follow buttons.

2026.02.25
seoforjournalism.com4 min readTLDR Marketing

OPENTABLE LAUNCHES AD BUSINESS TO PITCH DINING DATA

OpenTable is expanding beyond reservations with OpenTable Media, a new ad business built around its dining audience and transaction data. Advertisers can run onsite display and newsletter ads, target diners offsite using aggregated insights, and host branded experiences within its 60K-restaurant network. Early pilots with Diageo, Ghirardelli, and Cobra Beer validated demand as brand inquiries accelerated over the past two years.

2026.02.25
adweek.com2 min readTLDR Marketing

THERE'S A SHORT WINDOW TO GET RADICALLY AHEAD BY GOING AI-NATIVE

The real risk is not AI replacing jobs but individuals staying passive while a brief window rewards those who go fully AI native. Instead of debating flaws, use AI as the default engine for writing, coding, and problem-solving so the gap between idea and execution collapses. The advice is to directly build a rough version of your company's core workflow with AI, retry tasks as models rapidly improve, launch a scrappy side project, and learn from AI native peers.

2026.02.25
elenaverna.com5 min readTLDR Marketing

THE CEO MUST BE THE CMO

Declining CMO tenure and marketing's absence from boards reflect a leadership problem, not a marketing one. Creating and delivering customer value is the core of the business, so marketing cannot sit in a silo. The CEO must own marketing at a strategic level to align brand, product, pricing, and customer experience with company goals. Steve Jobs and Jeff Bezos treated marketing as inseparable from innovation and culture. When the CEO champions the customer, insight flows across functions.

2026.02.25
brandingstrategyinsider.com4 min readTLDR Marketing

Sponsored

If QA is a bottleneck on your software engineering team and you're releasing slowly because of it, you must check out QA Wolf.

2026.02.24
qawolf.comSponsorTLDR

ANTHROPIC ACCUSES 3 CHINESE COMPANIES OF HARVESTING ITS DATA

Anthropic claims that DeepSeek, Moonshot, and MiniMax used approximately 24,000 fraudulent accounts to train their own chatbots. The process of distillation, where data from one AI system is used to train another, is common in the AI industry. However, Anthropic's terms forbid the practice and also do not allow its technologies to be used in China. Anthropic has called on government officials and other AI companies to help prevent Chinese companies from distilling American models.

2026.02.24
links.tldrnewsletter.com4 min readTLDR

SPACEX, OPENAI, AND ANTHROPIC IPOS: A $3 TRILLION STRESS TEST

SpaceX, OpenAI, and Anthropic are set to IPO at an unprecedented scale. Typical IPOs offer 15% to 25% of their shares to public markets, which creates enough liquidity for price discovery while allowing founders and early investors to maintain control. At standard float percentages, these three companies need to raise $432 billion to $576 billion from public markets in a single quarter. The entire US IPO market raised $469 billion between 2016 and 2025. It is likely these companies will debut with smaller floats.

2026.02.24
tomtunguz.com2 min readTLDR

2026 GEOTHERMAL UPDATE

The biggest projects in geothermal started construction around 18 months ago. The industry executed well enough to get a shot at true commercial-scale deployments. The next few years will determine if the wave of projects can lead to the success metric of '10% of electricity generation'. While the first version of the technology seems possible, subsequent versions and improvements that lead to scalability will be much more challenging. The leading companies are still going strong, which is promising.

2026.02.24
austinvernon.site6 min readTLDR

SCENT, IN SILICO

Attention has started turning to using AI to probe the possibility of digitizing smell. Researchers hope that the ability to program smell will illuminate the many mysteries of olfaction. Digital scent could have many practical and quite profitable applications. This article looks at the state of the technology and introduces the various possible avenues for research.

2026.02.24
asimov.press35 min readTLDR

THE ENGINEERINGIFICATION OF EVERYTHING

The line between technical and non-technical work is being redrawn. The winners will be the ones who think like builders. Non-technical people should try to take on more 'engineering' tasks as AI makes tools more powerful and accessible. Engineers should use the same tools to turn themselves into full-stack shipping machines. Companies are investing billions to make engineers more powerful, so take advantage of that investment.

2026.02.24
newsletter.posthog.com7 min readTLDR

WRITING CODE IS CHEAP NOW

Coding agents have dramatically dropped the cost of producing code. The ability to run parallel agents has compounded this effect. However, delivering good code still has a cost. Developers still need to ensure that the produced code is good code. The challenge is to develop new personal and organizational habits to respond to the new reality of agentic engineering.

2026.02.24
simonwillison.net4 min readTLDR

SOFTWARE STOCKS CRATER AS INDEPENDENT RESEARCH PIECE DETAILS POTENTIAL AI DYSTOPIAN SCENARIO

A recently published paper called 'The 2028 Global Intelligence Crisis' explores a hypothetical world in which there is an aggressive AI build-out and adoption of AI agents. In this world, unemployment is high despite elevated nominal growth and productivity, and the stock market tumbles due to credit stress from companies laid low by AI metastasizing. It illustrates how AI becoming good could leave many industries vulnerable. This post provides a summary of the paper along with a link to the original.

2026.02.24
sherwood.news7 min readTLDR

DON'T LOVE YOUR JOB? I HEAR YOU. BUT DON'T QUIT. AT LEAST, 99% OF YOU SHOULDN'T

Many jobs in tech aren't that rewarding anymore. AI has made it even worse. However, leaving your current job without a plan right now isn't a good idea because every CEO wants to get leaner. Companies want to increase AI use rather than hire more people, so the scales are weighted against employees. Use the time in your current job to learn and grow more until you have a better place to go to.

2026.02.24
saastr.com5 min readTLDR

INSIDER AMNESIA

Experts correctly disregard bad sources in their fields of expertise, but trust those same sources on other topics.

2026.02.24
seangoedecke.com2 min readTLDR

FULLY REMOTE)

As the first engineer on TLDR's new Applied AI team, you'll build AI agents and composable Claude Skills to let non-technical teammates create their own AI workflows. Learn more [23].

2026.02.24
jobs.ashbyhq.comTLDR

RED/GREEN TDD

Every good model understands that 'use red/green TDD' means to write automated tests, confirm they fail, then iterate on the implementation until the tests pass.

2026.02.24
simonwillison.net2 min readTLDR

Sponsored

WHAT IF ADDING AUTH TO YOUR APP TOOK ONE COMMAND?

npx workos launches an AI agent [4], powered by Claude, that reads your project, detects your framework, and writes a complete auth integration directly into your existing codebase. It's not a template generator. It reads your code, understands your stack, and writes an integration that fits.

2026.02.24
links.tldrnewsletter.comSponsorTLDR AI

ANTHROPIC REPORTED LARGE-SCALE DISTILLATION ATTEMPTS

Anthropic accused DeepSeek, Moonshot AI, and MiniMax of creating over 24,000 fake accounts to generate roughly 16 million Claude interactions aimed at replicating its agentic reasoning, tool use, and coding capabilities.

2026.02.24
anthropic.com4 min readTLDR AI