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Sponsored

Enterprise customers expect more than a login screen. They demand SSO, directory sync, granular permissions, and detailed audit logs, all built to strict compliance standards.

2025.10.29
workos.comSponsorTLDR Founders

FIREWORKS AI RAISES $250M SERIES C TO POWER THE FUTURE OF ENTERPRISE AI

Fireworks AI raised $250 million in Series C funding at a $4 billion valuation, led by Lightspeed, Index Ventures, and Evantic, to expand its AI infrastructure offerings. The platform powers AI for clients like Samsung and Shopify, processing over 10 trillion tokens daily. Fireworks focuses on customizable AI with improved inference speed and cost, helping companies use specific data for tailored AI solutions.

2025.10.29
fireworks.ai4 min readTLDR Founders

OPENAI FORMS $25B FOUNDATION TO GUIDE $130B FOR-PROFIT ENTITY

OpenAI has recapitalized, simplifying its structure and forming the OpenAI Foundation, which controls the for-profit entity valued at $130 billion. The Foundation will commit $25 billion to health breakthroughs and AI resilience, leveraging its equity stake for philanthropic work. This move enhances OpenAI's ability to address AI's challenges and benefits, supported by mission-focused governance.

2025.10.29
links.tldrnewsletter.com3 min readTLDR Founders

MERCURY'S PATH TO PRODUCT-MARKET FIT

Mercury's story shows that product-market fit doesn't come from iteration speed but from doing the hardest thing first. Before writing a line of code, founder Immad Akhund spent months talking to founders, lawyers, and investors to understand how fintech actually worked and where it broke. That homework revealed the real barrier wasn't product design but regulation and trust. So the team built slowly and deliberately: a fully digital business account that could replace a traditional bank from day one, not a lightweight fintech add-on. They rebuilt the product twice, swapped out an underperforming partner bank, and refused to launch until it worked end to end. When Mercury finally went live, 1,500 companies signed up in the first week, one depositing $1 million without ever speaking to the team.

2025.10.29
review.firstround.com5 min readTLDR Founders

A RESEARCH THINKING TOOLKIT TO SPEED UP THE DISCOVERY PHASE

Jeanette Mellinger urges founders to prioritize problem-solution fit over speed, using a research toolkit adapted from UX practices. This approach helps founders understand customer needs, behaviors, and workflows, ensuring a product-market fit and a resilient team foundation. Mellinger outlines three phases of research (Incubate, Immerse, and Integrate), providing methods to master each element of founder, problem, and solution fit, leading to sustainable and effective growth strategies.

2025.10.29
review.firstround.com26 min readTLDR Founders

ASSESSING OVEREMPHASIZED STARTUP METRICS

Startups often inflate sales and partnership metrics, so investors should check documentation for accuracy. Historical performance and meaningful metrics, such as CAC and LTV, reveal execution capability and business model efficiency. Patents are not enough in tech-driven startups. Assess commercialization and pilot program outcomes to gauge viability.

2025.10.29
microventures.com4 min readTLDR Founders

Sponsored

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2025.10.29
wingassistant.comSponsorTLDR Founders

FOLDERLY AI

Folderly AI generates high-performing, spam-checked cold email sequences with AI, tailored to your offer, audience, and goals.

2025.10.29
generate.folderly.comToolTLDR Founders

PORTIA AI

Portia AI lets developers build safe, compliant AI agents with human-readable plans, execution tracking, and guardrails for regulated industries.

2025.10.29
portialabs.aiToolTLDR Founders

DATA & AI INFRASTRUCTURE ARE FUSING

AI innovation requires a new data architecture focused on real-time feedback, speed, and accuracy. Companies like Netflix and Stripe pivot to unified systems with vector and context databases for rapid model updates. This necessitates integrated observability layers to provide comprehensive insight into data and AI health.

2025.10.29
tomtunguz.com2 min readTLDR Founders

THOUGHTS ON THE AI BUILDOUT

AI growth is facing physical limits. Nvidia's profits could fund several new TSMC fabs, which means chip demand now exceeds the cost of producing them. The real constraints are power, materials, and labor. The world needs more factories for turbines and transformers, and hundreds of thousands of skilled workers to wire and cool datacenters. Speed now matters more than efficiency, so natural gas is beating nuclear and solar for new power. Hyperscalers are moving off-grid, building modular datacenters, and paying suppliers more to accelerate production. If growth continues, tens of gigawatts of new capacity will come online each year. Even if the boom slows, it will leave behind a massive industrial base ready to deliver cheap, rapid compute for decades.

2025.10.29
dwarkesh.com4 min readTLDR Founders

THE FUTURE OF THE WEB IS THE HISTORY OF YOUTUBE

Fifteen years ago, people making YouTube videos looked like hobbyists in an already crowded world of content. In hindsight, the world was actually short on video, waiting for tools that made creation easy. Software is at that same point now. Large language models let anyone with an idea build an app without writing code, turning small, niche ideas into real products. This shift opens the long tail of software that was never worth hiring a team to build. The people driving it will look less like engineers and more like creators who understand audiences and storytelling. The web is becoming more participatory again, powered by people who make things because they can, not because they have permission.

2025.10.29
a16z.substack.com5 min readTLDR Founders

WHEN ARR IS NOT ARR

ARR was meant to represent predictable annual subscription revenue, but many startups now stretch it into fiction.

2025.10.29
tanayj.com1 min readTLDR Founders

Sponsored

Poorly-managed passwords are the #1 cause of breaches, and they leave IT teams struggling with fragmented access management and manual onboarding/offboarding processes. Reddit was dealing with all these challenges, plus a compromised security vendor. They needed a solution that reduced credential risk without slowing down their employees.

2025.10.29
1password.comSponsorTLDR InfoSec

'CHATGPT TAINTED MEMORIES' EXPLOIT ENABLES COMMAND INJECTION IN ATLAS BROWSER

LayerX Security uncovered a flaw in OpenAI's ChatGPT Atlas browser that allows attackers to inject malicious commands, leading to remote code execution and persistent access. The exploit manipulates the browser's AI functions to process hidden malicious instructions, as Atlas provides 90% less phishing protection than Chrome or Edge. Security teams should restrict Atlas for sensitive accounts, monitor endpoints, and await OpenAI patches, treating AI browsers as higher risk with heightened security.

2025.10.29
hackread.com3 min readTLDR InfoSec

MASSIVE CHINA-LINKED SMISHING CAMPAIGN LEVERAGED 194,000 DOMAINS

An extensive SMS phishing campaign, attributed to a Chinese-speaking group called Smishing Triad, has used over 194,000 domains since early 2024. The attackers impersonated services such as banks and delivery firms to steal personal data via urgent texts. Their tactics include cycling through disposable domains and running a phishing-as-a-service operation, making detection challenging for authorities worldwide.

2025.10.29
securityweek.com3 min readTLDR InfoSec

WESTERN SYDNEY UNI SUFFERS DATA BREACH, AGAIN

Western Sydney University (WSU) reported its third security incident of the year, with an unauthorized user accessing data belonging to staff and students. The breached data includes tax file numbers, bank account details, passport and driver's license details, visa information, health and disability information, addresses, email addresses, phone numbers, names, dates of birth, ethnicities, and student and staff IDs. WSU stated that the breach was caused by a daisy chain of supply chain attacks culminating in a third-party student management system being breached.

2025.10.29
ia.acs.org.au3 min readTLDR InfoSec

MAKING A VIRTUAL MACHINE LOOK LIKE REAL HARDWARE TO MALWARE

Malware can easily detect VirtualBox environments through obvious indicators such as registry keys, file artifacts, MAC addresses, and VirtualBox-specific naming conventions, undermining VM-based malware analysis. Security researchers created vbox_stealth (Bash) and VBoxCloak (PowerShell) tools to mask VM indicators by renaming hardware identifiers, modifying registry entries, and removing VirtualBox-specific processes and files. While these tools improve VM stealth capabilities, sophisticated malware may still employ more subtle detection methods that remain difficult to circumvent.

2025.10.29
hackaday.com2 min readTLDR InfoSec

ECS ON EC2: COVERING GAPS IN IMDS HARDENING

When launching AWS ECS tasks on EC2 instances, each task, by default, has access to the Instance Metadata Service (IMDS), which can be used to access credentials of other tasks or to escalate privileges to the instance role. Using IMDSv2 with a hop limit of 1 is not effective for stopping this attack vector, as some networking modes can still access IMDS. The article includes details for blocking IMDS access in each networking mode.

2025.10.29
latacora.com10 min readTLDR InfoSec

AI BROWSERS FACE A SECURITY FLAW AS INEVITABLE AS DEATH AND TAXES

Prompt injection is an increasingly critical security issue as AI-driven browsers gain agentic capabilities: they can now act on users' behalf, from opening web pages to handling emails and files. This opens up new attack vectors, such as direct injection via URLs or indirect injection hidden within website or document text, allowing attackers to trick bots into performing dangerous actions without user consent. While some countermeasures, such as reduced privileges and human oversight, can lower risks, experts believe prompt injection is unavoidable, not just a bug but a fundamental vulnerability whenever AI interprets untrusted data.

2025.10.29
theregister.com8 min readTLDR InfoSec

OSDFIR INFRASTRUCTURE

OSDFIR Infrastructure is a Kubernetes-based platform that uses Helm charts to simplify the deployment and integration of multiple open source digital forensics tools, including Timesketch, Yeti, OpenRelik, GRR, and others. The platform enables collaborative forensic investigations by providing a unified environment where tools can work together and share data through workflows and integrations. It streamlines the setup process for DFIR teams who want to deploy a comprehensive suite of forensic analysis tools in local or cloud Kubernetes clusters.

2025.10.29
github.comGitHub repositoryTLDR InfoSec

SUBLIME SECURITY (PRODUCT LAUNCH)

Sublime Security has developed an agentic email security platform that leverages AI agents to analyze messages in search of threats. The platform uses a distributed detection model that conducts intent and behavioral analysis, along with deep content inspection.

2025.10.29
sublime.securityTLDR InfoSec

OPENNHP

A lightweight, cryptography-powered, open-source toolkit built to enforce Zero Trust security for infrastructure, applications, and data in the AI-driven world.

2025.10.29
github.comGitHub repositoryTLDR InfoSec

NYDFS ISSUES GUIDANCE ON 3RD PARTY CYBERSECURITY RISKS

The New York State Department of Financial Services announced new guidance regarding the use of third-party service providers. Third-party suppliers can cause supply chain attacks if attackers compromise them, and can be the weak link in an organization's security strategy. The new guidance does not impose new regulations or restrictions on regulated organizations.

2025.10.29
pymnts.com2 min readTLDR InfoSec

TOOLSHELL USED TO COMPROMISE TELECOMS COMPANY IN MIDDLE EAST

Chinese threat actors exploited the ToolShell SharePoint vulnerability (CVE-2025-53770) just two days after Microsoft patched it in July, compromising a Middle East telecoms company and multiple government agencies by using the Zingdoor backdoor, the ShadowPad Trojan, and KrustyLoader malware. The attackers demonstrated rapid exploitation capabilities by mass-scanning for vulnerable systems, then deploying sophisticated toolsets, including DLL sideloading techniques, credential-dumping utilities, and the Sliver C2 framework for persistent access. Organizations should prioritize immediate patching of SharePoint servers and monitor for indicators, including the provided file hashes, with particular focus on DLL sideloading activities and connections to the identified AWS-hosted C2 infrastructure.

2025.10.29
security.com5 min readTLDR InfoSec

INSIDER THREATS LOOM WHILE RANSOM PAYMENT RATES PLUMMET

Ransomware groups are adapting as ransom payment rates hit historic lows at just 23% of ransom attacks. Attackers are increasingly using social engineering and insider bribes, like in Medusa's BBC attack, driven by shrinking profits and tougher defenses. Mid-market firms remain the most frequent victims, but larger enterprises face new, targeted extortion methods.

2025.10.29
coveware.com13 min readTLDR InfoSec

Sponsored

More buyers are turning to AI-powered search today – and that number is rising. If you're not appearing in their results, you're not competing. But how can you reverse-engineer strategy to put your name on the AI-map?

2025.10.29
peec.aiSponsorTLDR Marketing

PAYPAL SIGNS DEAL WITH OPENAI TO BECOME THE FIRST PAYMENTS WALLET IN CHATGPT

PayPal will integrate its digital wallet into ChatGPT, making it the first payments wallet available in the AI platform. Starting next year, users will be able to complete purchases directly through ChatGPT while PayPal merchants list and sell products there. The partnership positions PayPal as a key player in agentic AI commerce, joining other e-commerce integrations with Shopify, Etsy, and Walmart.

2025.10.29
cnbc.com3 min readTLDR Marketing

HOW ARE MARKETERS MEASURING ORGANIC GROWTH IN 2025?

Measuring organic growth is becoming more complex. However, traditional SEO metrics remain stable, with 36.5%-67.6% of teams reporting no decline and 35.3% reporting increased trust. While 62.9% of marketers prioritize revenue, conversion, and pipeline, only 31.8% tie growth to business outcomes, with nearly half focusing on traffic. Attribution is complicated by AI, causing many to misclassify LLM-influenced demand as direct, and fewer than 20% use AI-specific analytics. Teams that track predictive input metrics and invest in AI attribution and GEO report higher satisfaction.

2025.10.29
beomniscient.com6 min readTLDR Marketing

HOW TO HOST AN EVENT WITH $0 BUDGET

Use LinkedIn Sales Navigator or free trials from Clay or Apollo to build your invite list. Find a free venue, such as a coffee shop with open seating, or organize a coffee walk. Create an event page on a free platform like Luma to manage RSVPs. Send short, personal invitations through the platforms your audience uses most and expect around half of RSVPs to attend. Stay consistent even if turnout is small, since every event builds momentum.

2025.10.29
linkedin.com2 min readTLDR Marketing

ON, MORE THAN A SHOE BRAND: MARKETING STRATEGY ANALYSIS

On's breakout success in a competitive and flat footwear market proves that performance is not enough without emotional resonance. While Nike and Adidas lean on scale and Hoka on comfort-first narratives, On has carved a space that combines high-end design, technical credibility, and cultural storytelling. On supports Olympic sprinters, marathoners, and community leaders alike, keeping its brand grounded and aspirational. Campaigns such as “Soft Wins” use nostalgia and humor to make running feel inclusive, while “Run for Each Other” highlights community bonds. These messages hit especially well with Gen Z and millennial consumers in urban hubs.

2025.10.29
nogood.io9 min readTLDR Marketing

NEW AI-POWERED TOOLS TO MAKE IT EASIER TO CREATE AND SHARE ON TIKTOK

TikTok introduced new AI tools to make content creation faster and easier for creators. Smart Split automatically clips, captions, and reframes long videos into shorter clips ready for upload, while AI Outline generates video titles, hooks, and outlines based on prompts or trending topics. Both tools aim to simplify editing and planning so creators can focus on creativity, and all AI outputs undergo safety checks to meet Community Guidelines. TikTok also updated its Subscription revenue model, allowing creators to earn up to 90% of profit payouts if they meet engagement and posting requirements.

2025.10.29
newsroom.tiktok.com2 min readTLDR Marketing

THE 8 FUNDAMENTALS OF EFFECTIVE MARKETING (73 MINUTE PODCAST)

Advertising works by nudging memory rather than driving immediate sales. Sustainable growth comes from increasing brand penetration, not loyalty. Brands succeed by being mentally and physically available, balancing long-term brand building with short-term sales activation, and using creative campaigns that build trust. Consistent investment and distinctive assets drive compounding growth over time.

2025.10.29
youtube.comTLDR Marketing

AI IS BREAKING THE ECONOMICS OF CONTENT

AI is disrupting the economics of content by devaluing evergreen material like Wikipedia's while increasing the visibility and reward for additive, insight-driven content. Wikipedia's human traffic fell 5% YoY as scrapers rose 10.5% and bots surged 162.4%, while Google referrals dropped 35% due to AI Overviews that answer queries directly using its content. Nearly 50% of Wikipedia's keywords now display AI Overviews, yet it receives one-third fewer citations, while sites like YouTube and Reddit have gained visibility and mentions. The shift favors platforms producing net-new insights, pushing brands to reduce evergreen content investment and focus on additive formats such as research, thought leadership, and data storytelling.

2025.10.29
growth-memo.com3 min readTLDR Marketing

ARE WE SEEING MORE COMMENT BAIT ON LINKEDIN?

LinkedIn's reach has dropped. About a quarter of the feed is now sponsored, and the algorithm favors posts from people users don't follow but whose content engages their connections. Early in the feed, users see posts from people they follow mixed with ads and platform features, but as they scroll, LinkedIn shifts to discovery content to promote new creators. Regular posts get lower visibility since the algorithm favors engagement-heavy content like job changes or layoffs, similar to Instagram and TikTok.

2025.10.29
linkedin.com2 min readTLDR Marketing

Sponsored

If slow QA processes bottleneck you or your software engineering team and you're releasing slower because of it — you need to check out QA Wolf.

2025.10.28
qawolf.comSponsorTLDR