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USING TACTICAL AND STRATEGIC ANALYSIS TO TRACK THREAT ACTOR TARGETING

This blog explores how intelligence analysts can distinguish objective victimology from subjective threat actor motivations when reporting on “targeted” sectors. Analysts can ensure consistent, data-driven threat assessments by leveraging standardized industry classifications (ISIC, NACE, and NAICS) and linking tactical evidence to strategic assertions in Synapse. Storm queries help validate that strategic conclusions about targeting are backed by concrete, observable evidence.

2025.08.26
vertex.link9 min readTLDR InfoSec

RAISING SECURITY WITH ORGANIZATION-WIDE YUBIKEY (FIDO2) IN ENTRA ID

Hunt & Hackett details its end-to-end YubiKey FIDO2 rollout for Microsoft Entra ID, using phased conditional access enforcement to mandate phishing-resistant hardware authentication for specific users and actions. Its approach includes automated Temporary Access Pass (TAP) provisioning for onboarding and fallback, access packages for exceptions, and robust monitoring of breakglass accounts. Key lessons include session token control and cross-platform testing prior to full enforcement.

2025.08.26
huntandhackett.com17 min readTLDR InfoSec

SAFEGUARDING VS CODE AGAINST PROMPT INJECTIONS

Prompt injection attacks in VS Code's Copilot Chat could allow malicious actors to leak data or execute code by embedding crafted prompts in GitHub issues. GitHub responded with security improvements like enhanced confirmation flows, tool execution restrictions, and sandboxed environments. The post also recommends Workspace Trust and containerization as defenses, emphasizing the need for ongoing protection as LLM threats evolve.

2025.08.26
github.blog9 min readTLDR InfoSec

Sponsored

SOME APIS KEEP SECRETS. YOURS MIGHT NOT.

Three years after the Optus breach exposed millions of customer records, Intruder's [13] research team went hunting for the same broken API authorization flaws. They found:

2025.08.26
intruder.ioSponsorTLDR InfoSec

AZURE APPHUNTER

Azure AppHunter is an open-source PowerShell tool designed for security researchers, red teamers, and defenders. It identifies excessive or risky permissions granted to Azure Service Principals, helping teams uncover misconfigurations and enforce least privilege.

2025.08.26
github.comGitHub repositoryTLDR InfoSec

ENTRAROLEREAPER

EntraRoleReaper audits Entra ID users' role assignments by comparing them to actual operations performed over a selected time period. The tool supports least privilege reviews and helps reduce unnecessary role sprawl in Microsoft Entra ID environments.

2025.08.26
github.comGitHub repositoryTLDR InfoSec

ANTIDEBUG

AntiDebug is a terminal-based tool for testing x86_64 Windows anti-debugging techniques. It provides a hands-on environment for analyzing and understanding various methods malware may use to detect or evade debuggers.

2025.08.26
github.comGitHub repositoryTLDR InfoSec

PHISHING EMAILS ARE NOW AIMED AT USERS AND AI DEFENSES

Phishing campaigns are now embedding AI prompt injection commands within emails to manipulate automated analysis tools while simultaneously targeting users with credential harvesting tactics. These hidden prompts instruct AI models to enter reasoning loops rather than flag malicious content, increasing the risk of delayed detection or false negatives in SOC workflows. This dual-track approach highlights attackers' growing awareness of AI-based defenses and their efforts to bypass both human and machine detection systems.

2025.08.26
malwr-analysis.com6 min readTLDR InfoSec

DOCKER EXPLAINED: FINALLY UNDERSTAND CONTAINERS WITHOUT LOSING YOUR MIND

This guide breaks down Docker in plain terms: containers package code with dependencies to avoid the “works on my machine” problem. It covers key concepts like `Dockerfile` “recipes,” `docker build` commands for creating layered images, registries for storing images, and `docker run` for execution. Containers offer faster, more consistent, isolated, and efficient environments for running applications across systems.

2025.08.26
marcosdedeu.substack.com7 min readTLDR InfoSec

INTENT OVER TACTICS: A CISO'S GUIDE TO PROTECTING YOUR CROWN JEWELS

This article outlines a strategic approach to security by identifying and protecting your organization's “crown jewels,” the most critical assets, systems, or people. These may include intellectual property, CI/CD pipelines, backup infrastructure, or key personnel. Instead of reacting to specific attacker tactics, the approach emphasizes understanding attacker intent and designing layered defenses around the assets most likely to be targeted. The process is recursive, expanding protections outward from the crown jewel.

2025.08.26
tldrsec.com10 min readTLDR InfoSec

Sponsored

SELECT THE RIGHT CLOUD SECURITY TOOLS

AWS experts offer a guide to choosing cloud security tools. Explore how to integrate third-party tools into your AWS stack for threat protection. Read the guide now [21] to find the best security solutions for your AWS environment.

2025.08.26
aws.amazon.comSponsorTLDR InfoSec

Sponsored

Many organizations solve software installation problems by handing out local admin rights. This generally “works” in terms of getting software installed, at the cost of creating a massive security threat.

2025.08.25
threatlocker.comSponsorTLDR InfoSec

BOOKING.COM PHISHING CAMPAIGN USES SNEAKY 'ん' CHARACTER TO TRICK YOU

Attackers are using the Japanese hiragana character 'ん' (n) in phishing domains to impersonate Booking.com, creating URLs that appear legitimate but redirect victims to credential-stealing sites. The campaign exploits how the character renders similarly to the Latin 'n' in many fonts, making malicious domains harder to detect. Users should verify URLs carefully and avoid clicking links in unsolicited emails claiming to be from Booking.com.

2025.08.25
bleepingcomputer.com1 min readTLDR InfoSec

OVER 300 ENTITIES HIT BY A VARIANT OF ATOMIC MACOS STEALER IN RECENT CAMPAIGN

Over 300 entities were infected by SHAMOS, a variant of the Atomic macOS Stealer (AMOS), through malvertising campaigns between June and August. The malware steals passwords stored in Keychain, browser data, cryptocurrency wallets, and other sensitive information from infected macOS systems. The campaign used malicious advertisements to distribute the stealer, targeting Mac users with fake software downloads.

2025.08.25
securityaffairs.com1 min readTLDR InfoSec

90K EXPOSED AFTER SLEEP THERAPY PROVIDER DATA BREACH

CPAP Medical Supplies, a company that serves mainly military personnel, suffered a hack between December 13 and 21 that exposed over 90,000 individuals' sensitive data. The breach created risks of identity and medical fraud. Affected customers have been offered monitoring services. CPAP Medical Supplies has stressed that there has been no evidence of misuse so far.

2025.08.25
links.tldrnewsletter.com2 min readTLDR InfoSec

THE SILENT, FILELESS THREAT OF VSHELL

Attackers embed base64-encoded Bash commands in RAR filenames that run automatically during directory listing with unsafe patterns like eval "echo $f" or for f in *. The attack downloads loaders specific to architecture that fetch XOR-encrypted VShell backdoor payloads, decrypts them in memory, and executes as fake kernel threads such as [kworker/0:2] to evade detection. This method bypasses defenses because antivirus doesn't scan filenames, the malware doesn't touch disk after decryption, and execution happens via common shell operations without needing executable permissions.

2025.08.25
trellix.com8 min readTLDR InfoSec

DO CLAUDE CODE SECURITY REVIEWS PASS THE VIBE CHECK?

Anthropic's Claude platform has introduced AI-powered code security reviews, which can make detecting common vulnerabilities easier and more integrated for developers. While these tools provide helpful automation for identifying issues like SQL injection and authentication flaws, they are not foolproof and miss complex bugs. Human expertise, comprehensive security practices, and additional testing are still necessary to achieve safe and secure application development in the fast-evolving landscape of AI-assisted coding.

2025.08.25
links.tldrnewsletter.com5 min readTLDR InfoSec

Sponsored

💪 TRYHACKME: GAMIFIED CYBERSECURITY TRAINING THAT STRENGTHENS YOUR DEFENSES

Security teams are always busy, and it’s hard to find time and space for training. TryHackMe makes training easy (and fun) with exciting browser-based exercises [11], hyper-realistic simulations, and hands-on labs all designed to maximize challenge and engagement while building real skills. “I’m personally a massive fan of

2025.08.25
business.tryhackme.comSponsorTLDR InfoSec

RRE-BURP

The RRE Burp extension automates detecting Recursive Request Exploits by tracing API call chains from protected resources to find unauthenticated upstream APIs exploitable to bypass access controls. It uses Shannon entropy analysis (default threshold 3.0) to identify valuable backend tokens and parameters, then traces requests to find low-trust inputs that produce these high-value outputs. Demonstrated at DEF CON 33, it scales to find vulnerabilities across streaming services ("Streamageddon"), revealing how API chain flaws can bypass paywalls.

2025.08.25
github.comGitHub repositoryTLDR InfoSec

INTRODUCING UNIT 42'S ATTRIBUTION FRAMEWORK

Unit 42's three-tier attribution framework tracks threats from activity clusters to named threat actors, requiring rigorous evidence like Diamond Model mapping and Admiralty System scoring for source reliability (A-F) and credibility (1-6). It mandates six-month observation, multiple sources, and TTP analysis before tier promotion, preventing premature attribution and enabling focused tracking. Default scores apply to common artifacts, with analyst adjustments and review board validation.

2025.08.25
unit42.paloaltonetworks.com16 min readTLDR InfoSec

RAVEN

Raven is a modern, efficient, lightweight subdomain enumeration tool for security researchers and penetration testers. Built in Go, it offers a robust and user-friendly experience for discovering subdomains of a target domain. Raven has advanced features to minimize false positives and optimize performance.

2025.08.25
github.comGitHub repositoryTLDR InfoSec

TINY QUANTUM DOTS UNLOCK THE FUTURE OF UNBREAKABLE ENCRYPTION

Physicists from Hebrew University and Los Alamos Labs developed quantum encryption using imperfect quantum dot light sources, outperforming traditional laser-based systems by extending secure transmission distances by over 3 dB. The breakthrough employs a truncated decoy state and heralded purification protocols to filter multi-photon emissions in real time, removing the need for perfect single-photon sources for 40 years. Room-temperature tests showed the approach works with existing equipment, making quantum-secure communication more practical and affordable.

2025.08.25
sciencedaily.com3 min readTLDR InfoSec

HONEY, I SHRUNK THE IMAGE AND NOW I'M PWNED

Security researchers found that Google Gemini-powered tools can be deceived by hidden prompts embedded in images, exploiting image scaling for prompt injection. This trick can cause AI to leak data or act out of bounds. Google says it's not a default vulnerability, but experts urge stronger AI system defenses and user previews.

2025.08.25
theregister.com4 min readTLDR InfoSec

ORANGE BELGIUM DISCLOSES DATA BREACH IMPACTING 850,000 CUSTOMERS

Attackers breached Orange Belgium's IT systems in July, stealing personal data of 850,000 customers, including names, phone numbers, SIM card numbers, PUK codes, and tariff plans. The company detected the breach at the end of July and confirmed that passwords, emails, and financial information were not compromised. Orange Belgium identified the threat group responsible, but hasn't disclosed its identity. The company confirmed this was unrelated to China's Salt Typhoon attacks targeting telecoms worldwide.

2025.08.22
bleepingcomputer.com2 min readTLDR InfoSec

TPG TELECOM ESTIMATES 280K AFFECTED BY SUBSIDIARY BREACH

TPG Telecom's subsidiary iiNet suffered a data breach due to a stolen employee login, exposing the data of around 280,000 customers. The exposed information includes emails, phone numbers, addresses, and some setup passwords. The breach was contained, and affected customers are being notified.

2025.08.22
theregister.com2 min readTLDR InfoSec

RUSSIA-LINKED EUROPEAN ATTACKS RENEW CONCERNS OVER WATER CYBERSECURITY

Russian hackers probably sabotaged a Norwegian dam in April by remotely opening valves for four hours. Poland also reported a thwarted cyberattack that could have cut water to a major city. These attacks, linked to groups like Z-Pentest Alliance, show water facilities as vulnerable targets that could lead to bigger threats. Water utilities should boost cybersecurity with more funding, consulting, or free resources like the DEF CON Franklin project.

2025.08.22
csoonline.com5 min readTLDR InfoSec

SPYVPN: THE GOOGLE-FEATURED VPN THAT SECRETLY CAPTURES YOUR SCREEN

FreeVPN.One, a popular VPN Chrome extension, secretly takes screenshots of users' browsing—including sensitive info—and uploads them to the developer's servers without consent. Despite claiming to protect privacy, it abuses permissions, uses encryption to evade detection, and provides misleading explanations, exposing security flaws in Chrome extensions.

2025.08.22
koi.security7 min readTLDR InfoSec

“SCAMLEXITY” WE PUT AGENTIC AI BROWSERS TO THE TEST - THEY CLICKED, THEY PAID, THEY FAILED

As AI browsers like Comet take over online tasks, they're dangerously vulnerable to scams and prompt injections, sometimes making purchases or clicking harmful links without user awareness. Traditional fraud techniques and new AI-targeted tricks can easily fool agentic AI, making users pay the price. Security must be built into AI browsers from the ground up, not treated as an afterthought, to protect users in this new era of automated scamming.

2025.08.22
guard.io9 min readTLDR InfoSec

CHALK

Chalk captures metadata at build time and can add a small 'chalk mark' (metadata) to any artifacts so that they can be identified in production. It can also extract chalk marks and collect additional metadata about the operating environment during this process.

2025.08.22
github.comGitHub repositoryTLDR InfoSec

BAMBOOZIEDR

BamboozIEDR is a comprehensive ETW (Event Tracing for Windows) event generation tool for testing and research purposes.

2025.08.22
github.comGitHub repositoryTLDR InfoSec

RINGREAPER

RingReaper is a post-exploitation agent for Linux that utilizes io_uring to minimize chances of being detected by EDR solutions.

2025.08.22
github.comGitHub repositoryTLDR InfoSec

COPILOT BROKE YOUR AUDIT LOG, BUT MICROSOFT WON'T TELL YOU

Microsoft's Copilot AI allowed users to access files in M365 without leaving audit log records, creating potential security and compliance risks. This was reported to Microsoft, which quietly fixed the issue but chose not to notify customers or issue a formal security alert. Any organization using Copilot before August 18 may have incomplete audit logs and might be unaware of what happened.

2025.08.22
pistachioapp.com8 min readTLDR InfoSec

HACKERS WHO EXPOSED NORTH KOREAN GOVERNMENT HACKER EXPLAIN WHY THEY DID IT

Two ethical hackers accessed a North Korean state hacker's computer for months and uncovered evidence of cyberespionage and theft. They leaked their findings to support cyber defense and expose government-backed hacking activities, hoping their action would inspire more transparency and accountability in global cybersecurity.

2025.08.22
techcrunch.com3 min readTLDR InfoSec

YOU DON'T NEED A VENDOR TO AUTOMATE SECURITY QUESTIONNAIRES

Security questionnaires are a standard part of the security review process that can often be tedious, time-consuming, and mechanical for vendors' teams. Instead of buying a tool to handle this process, vendors can either build their own RAG or use Claude/ChatGPT. To use Claude/ChatGPT, prepare a folder with the relevant documents that would be included in a Trust Center, as well as some previously manually completed questionnaires.

2025.08.22
blog.marcolancini.it7 min readTLDR InfoSec