Polymarket Returns $3.9 Million to Traders as DebugBear Cites DNS HijackPolymarket is returning $3.9 million to traders after an October 29, 2026 supply chain attack in which malicious JavaScript was served from a DebugBear address its site loaded. DebugBear says its DNS records were compromised through its domain registrar, and attackers appear to have targeted one customer. The script abused open trading sessions to sell positions or move assets; 726 wallets were affected, and about 5,500 wallets received $1.19 million for halt and forced-sale losses.
securityweek.comarticlePublished and added 2 Nov 2026๐ก๏ธ Security- North Korean hackers launder $242 million of Binance loot via Tron as FBI presses THORChain: analyst
The Block reports that North Korean hackers (TraderTraitor) laundered about $242 million of funds stolen from Binance through Tron in two days, according to analyst SomaXBT. Relay, THORChain, Chainflip and Symbiosis moved about $140 million off Tron. Elliptic counts $2.85 billion frozen or seized, 44% of $6.43 billion stolen, and $3.25 billion in assets no issuer can freeze. The FBI urged THORChain and others to block listed addresses.
theblock.coarticlePublished and added 1 Nov 2026๐ก๏ธ Security
$2 Million+ Drained From Polymarket Traders in New Supply Chain AttackPolymarket halted trading on 29 October after users reported unauthorized withdrawals traced to malicious JavaScript served from DebugBear's real user monitoring snippet. Hudson Rock's sample abused the authenticated session to sell positions or send tokens to a hard-coded address, without exfiltrating credentials. Loss estimates range from $2.19 million to $2.71 million (GoPlus), and Polymarket pledged reimbursement.
securityweek.comarticlePublished and added 30 Oct 2026๐ก๏ธ Security
Metaโs AI-distilled model detector catches 79% at a 0.1% false-positive rateWM-Basin is a Meta method for detecting student LLMs distilled from watermarked teacher models, described in "Watermark Basins: Black-Box Detection of Distilled LLMs" (arXiv:2610.37266, 27 October 2026). It feeds a suspect model's API text into a clean probe model and checks gradient alignment with a key-specific watermark basin. It reached 79% true-positive rate at 0.1% false-positive rate across 1,200 students, versus 29% for the prior token-level detector. Clean-data fine-tuning and paraphrasing weaken it.
en.cryptonomist.charticlePublished and added 30 Oct 2026๐ง AI
Hugging Face malware campaign returns to hijack GPUs for crypto miningA campaign of 31 malicious Hugging Face repositories across seven accounts, found by Pluto Security, posed as small Qwen2 checkpoints and used trust_remote_code to run a cryptominer and reverse shell on GPU inference hosts. The top model reached 28,412 downloads and scanned clean, and a second wave returned within days of takedown. The article also covers a fake Solana starter kit on GitHub that installs NetSupport Manager via a PowerShell one-liner aimed at AI coding agents.
bleepingcomputer.comarticleAdded 30 Oct 2026, published 29 Oct 2026๐ก๏ธ Security
Japan Airlines suffers third-party data breach exposing passenger infoJapan Airlines disclosed that unauthorized access to Amadeus's Passenger Service System, between 10 August 2023 and 23 September 2026, exposed data on about 92,000 customers. Roughly 2,000 also had emails, phone and passport numbers exposed. ANA, Asiana Airlines and Korean Air are also reported as affected. Amadeus had announced a booking display vulnerability on 1 October 2026 and has not given the full scope.
bleepingcomputer.comarticleAdded 30 Oct 2026, published 29 Oct 2026๐ก๏ธ Security
Polymarket halts trading after crypto-draining script breach, $2.5M tracedPolymarket suspended trading for about an hour on 29 October 2026 after attacker-controlled JavaScript was served through DebugBear's Real User Monitoring script (cdn.debugbear[.]com/C7xcKKrjUnXK.js). The script hijacked logged-in trading sessions, sold positions and moved assets to an attacker wallet, with about $2.5M traced. The article gives the wallet address, the data.debugbear.com C2 endpoint and Hudson Rock's findings.
bleepingcomputer.comarticleAdded 30 Oct 2026, published 29 Oct 2026๐ก๏ธ Security
Rekt - NEAR Intents - RektRekt News analysis of the 30 September to 1 October 2026 theft of 3.865 million USDT from the NEAR Intents HOT Bridge treasury on BNB Chain, paid out in five signed withdrawals after a 10 USDT deposit. It uses Bitquery's trace of laundering via Chainflip, THORChain, KuCoin and Hyperliquid, and a NEAR regression test showing an oversized refund log made mt_resolve_deposit fail. NEAR said the funds were returned but published no report.
rekt.newsarticleAdded 29 Oct 2026๐ก๏ธ Security
Polymarket Pauses Trading as Prediction Market Investigates Security IncidentPolymarket put its exchange in cancel-only mode and paused relayer actions on 29 October 2026 after users reported funds withdrawn without permission. Hudson Rock says a DebugBear-hosted script holds wallet-draining code that sells a logged-in user's positions and hard-codes the suspected attacker's wallet (about $2.65 million in POL, per Arkham) as fallback recipient. Polymarket blames a compromised third-party provider and promises to make users whole. Root cause and victim count are unconfirmed.
decrypt.coarticlePublished and added 29 Oct 2026๐ก๏ธ Security
Tracking AI adoption in North Korean threat actor tradecraftMicrosoft Threat Intelligence report on how North Korean actors use AI, ranking Jade Sleet, Coral Sleet and Jasper Sleet as operationalized, Diamond Sleet, Onyx Sleet, Pearl Sleet and Sapphire Sleet as accelerating, and Emerald Sleet as expanding. It documents AI-generated lures (100+ Onyx Sleet PDFs, August and September 2026), AI-built tooling such as Coral Sleet's private GitHub repository trojanizing, and Onyx Sleet and Pearl Sleet use of the ARTEX agentic pentest framework. It ends with mitigation and Defender guidance.
microsoft.comarticlePublished and added 29 Oct 2026๐ก๏ธ Security
Wagyu Confirms Data Leak Exposing Monero Swap RecordsWagyu, a Monero swap service, confirmed a data leak after Hudson Rock found 4,580 orders in exposed records. The records link public-chain deposit transactions to Monero destination addresses and client IP addresses, which undoes the privacy a swap into Monero is meant to give. The fetched page held only the headline and subhead, so the cause, timeline and remediation are not covered.
thedefiant.ioarticlePublished and added 29 Oct 2026๐ก๏ธ Security
Unwrapping Retail Peak Season Cyber ThreatsUnit 42 overview of cyber threats facing retailers in the 2026 peak shopping season, split into enterprise threats (ransomware, data extortion, DDoS, digital skimming) and guest threats (account takeover, gift card fraud, AI-powered attacks). It cites 565 retail ransomware victims claimed as of 30 September 2026 and past incidents such as CosmicSting (CVE-2024-34102) skimming and the Noname057(16) DDoSia attacks. Each threat has defensive recommendations.
unit42.paloaltonetworks.comarticleAdded 30 Oct 2026, published 28 Oct 2026๐ก๏ธ Security- GitHub Octoverse 2026
Simon Willison's link post on GitHub Octoverse 2026, announced by GitHub EVP Jay Parikh at GitHub Universe on 28 October 2026. Merged pull requests tripled in under a year to 220 million per month, commits passed 7.38 billion per month, and new repositories doubled to 30.3 million per month. It quotes the methodology for country, industry (NAICS) and "interoperability or reverse engineering" repository counts. The post does not analyse the report beyond these figures.
simonwillison.netarticlePublished and added 28 Oct 2026๐ง AI
Hygentra: AI Trading Agents Kept 97.5% of Losses by Value Within LimitsHygentra's six-month study (February to August 2026) audited four AI trading agents, each with its own strategy and preset risk rules, through a 29% Bitcoin decline and recovery. 97.5% of losses by value stayed within limits, 23 of 24 runs respected the five-open-trade cap, and no agent raised risk after a loss. Trade records and testing tools were published; 18% of positions were real Hyperliquid orders, the rest simulated with a 0.09% round-trip fee.
en.cryptonomist.charticlePublished and added 28 Oct 2026๐ง AI
SlowMist Finds Data-Stealing and Address-Swapping Code in Udesk ScriptsThe Defiant reports SlowMist's finding of data-stealing and address-swapping code in scripts served by Udesk. The payload can change both displayed and copied crypto deposit addresses. Its data collection reaches beyond the three site-specific targeting rules. The page text did not load past the standfirst, so IOCs, affected sites and timeline are not available.
thedefiant.ioarticlePublished and added 27 Oct 2026๐ก๏ธ Security
Ethereum fixes Glamsterdam bug that could have sent staking deposits to buildersGlamsterdam deposit bug: Ethereum developers merged a consensus-spec fix on 26 October 2026 for a flaw in the upcoming upgrade. An operator could register as a builder under a public key, then a staking service's validator deposit under the same key would be credited to the builder, so no validator is created and funds are unrecoverable. Pending deposits are now sorted by withdrawal credentials. No losses were reported, and client teams still have to implement the change.
coindesk.comarticlePublished and added 27 Oct 2026๐ก๏ธ Security
The Pwn Request Reckoning: What Still Works Against GitHub ActionsThe Pwn Request Reckoning is a Wiz post updating the GitHub Actions pull_request_target threat model for 2026. It covers what GitHub's checkout protections, read-only cache tokens and event policies block, and what still works. Remaining paths: SHA-pinned pre-backport actions/checkout, custom checkout scripts, issue_comment and repository_dispatch triggers, script injection, artifact poisoning, self-hosted runner state and allow-unsafe-pr-checkout. It ends with grep and zizmor audit steps.
wiz.ioarticlePublished and added 26 Oct 2026๐ก๏ธ Security
The r/opensource forumโs AI ban shuts out solo projects and non-English usersThe r/opensource subreddit's new submission rules bar projects made with, using or intended for AI, and add requirements that exclude new solo projects and non-English speakers. Projects must be at least one year old, OSI-licensed, actively maintained and have roughly three or more contributors. Moderator Wolvereness said there is no objective way to enforce the AI rule. Users questioned the Linux kernel's eligibility and started r/trueopensource.
en.cryptonomist.charticlePublished and added 26 Oct 2026๐ง AI
A new AI method for saliency-aware image-text alignment improves image searchRoSA is a finetuning framework from Qiuyu Kong and three co-authors for long-text image-text retrieval. It targets "saliency collapse", where models over-rely on text tied to prominent visual features and miss contextual information. RoSA splits pairs into salient and contextual views using object-level saliency estimation and LLM text decomposition, then trains on both with plug-and-play auxiliary alignment objectives. Code and checkpoints are public.
en.cryptonomist.charticlePublished and added 26 Oct 2026๐ง AI
OpenAI and Anthropic cut their LLM prices by up to 80% within a few months. Why?Max Woolf's post (minimaxir.com, October 2026) gives a dated timeline of OpenAI and Anthropic price cuts from June to September 2026, including GPT-5.6 Luna down 80%, Opus 5.5 at $4 / $20 / $0.20 and GPT-6.1 Sol at $2 / $10 / $0.10. It argues the cuts come from commodity models, open-weight competition (DeepSeek V4.1 Flash, Kimi K3.1 Pro, 29 OpenRouter providers) and possibly IPO positioning. It notes cache reads make up 96-99% of coding-agent token spend.
minimaxir.comarticleAdded 26 Oct 2026, published 25 Oct 2026๐ง AI- CoinDCX confirms $16 million loss from retired wallets days after CEO called breach reports a โfalse alarmโ
CoinDCX confirmed on 25 October 2026 that 15.99 million USDT (about $16 million) was drained from retired deposit wallets after its automated sweeping service failed and user deposits sat at old, vulnerable addresses. The exchange absorbed the loss and says cold-wallet funds are safe. The report covers CEO Sumit Gupta's earlier "false alarm" denial, ZachXBT's challenge and withdrawal advice, and the July 2025 $44 million hack.
theblock.coarticlePublished and added 25 Oct 2026๐ก๏ธ Security
Ethereumโs Glamsterdam delay puts Hoodi testnet upgrade on hold over gas risksEthereum developers postponed the Glamsterdam upgrade on the Hoodi testnet, set for 26 October 2026, after ChainSecurity found that EIP-8037 and EIP-8038 gas changes can break contract defenses against insufficient gas griefing. ChainSecurity identified 13 real-world contracts where a failed call that should stay retryable could now be recorded permanently. It is disclosing to affected projects, and Hoodi node operators must use client releases that remove the scheduled fork.
en.cryptonomist.charticlePublished and added 24 Oct 2026๐ก๏ธ Security
Amazonโs Trainium Takes a Strike at the Training KingSemiAnalysis reviews AWS Trainium3 and the new TorchNeuron native PyTorch backend after a few weeks of hands-on use. It reports TorchTitan Qwen3-32B results on Trainium2 (11,099 tokens/s eager at 23.89% MFU, 14,156 compiled at 30.47%), a 27-minute gpt-oss compile time, 89 of 96 FlexAttention cases passing, matmul comparisons with GB300 and B200, and a positive view of the Neuron Explorer profiler.
newsletter.semianalysis.comarticleAdded 29 Oct 2026, published 23 Oct 2026๐ง AI
LiteLLM Compromised in Fresh Supply Chain AttackLiteLLM version 1.107.0 was published with malware to PyPI and Docker Hub on October 21, for about three hours and roughly 49,000 downloads. Attackers used GitHub CLI OAuth tokens, likely leaked through Claude Code into LiteLLM logs, to disable branch protections, redirect the releaser to a lookalike repository and sign poisoned artifacts. The payload is an infostealer and RAT; Wiz saw Amazon Bedrock abuse. The last clean version is 1.106.2.
securityweek.comarticlePublished and added 23 Oct 2026๐ก๏ธ Security- Achieving AI-style reasoning without an LLM
Minotaur is a GPUless reasoning architecture built on ELC (Energy, Control, Logic) typed roles and the MINOS representation. One "settling" operation over one network handles deduction, abduction, diagnosis, seeing versus doing, belief revision and order-dependent histories. The authors report it matched a language model on a blind police-interview test (30 of 30) and on learned production-line faults (10 of 10), and that it recovered Aristotle's 24 valid syllogisms.
fleetingswallow.comarticleAdded 23 Oct 2026, published 22 Oct 2026๐ง AI - There isn't an easy exploit for this PHP vulnerability
An opinion post from 21 October 2026 arguing that a widely feared PHP vulnerability has no easy exploit. The author says the many GitHub "PoC" repositories fail against a vanilla PHP instance in Docker. They claim LLM agents produced them by depending on a local-file-inclusion flaw or by modifying the server to be vulnerable. The author also argues that LLM defaults make many people's judgements identical.
eliastaylor.comarticleAdded 22 Oct 2026, published 21 Oct 2026๐ง AI
The Huawei-DeepSeek SymbiosisThe Huawei-DeepSeek Symbiosis analyzes DeepSeek's 30 September 2026 Ascend support for TileLang, DeepGEMM, DeepEP, TileKernels, FlashMLA and DeepSelect. It microbenchmarks the Ascend 950PR (BF16 GEMM, HBM bandwidth, die topology, AICPU) against H100, and profiles DeepSeek-V4.1-Flash on 32 Ascend 950DT chips. It also lists vLLM-Ascend gaps on x86 hosts.
newsletter.semianalysis.comarticleAdded 29 Oct 2026, published 21 Oct 2026๐ง AI
Your AI agent fixed the bug, but what else did it change?Trail of Bits releases patching-bugs and regression-hunt, two agent plugins built with OpenAI through Patch the Planet. patching-bugs reproduces bugs, writes fixes and runs a three-arm proof; regression-hunt traces diffs to real interfaces, confirms with live PoCs and a fresh-context replay. A review of 130+ merged PRs found 21 regressions, and regression-hunt gave 25% fewer false positives than a baseline Codex prompt.
blog.trailofbits.comarticlePublished and added 21 Oct 2026๐ง AI
Your AI agent fixed the bug, but what else did it change?Trail of Bits releases patching-bugs and regression-hunt, two Codex plugins from the Patch the Planet initiative with OpenAI. A review of 130+ merged patches confirmed 21 regressions (none broke a security protection). In preliminary tests regression-hunt gave 25% fewer false positives than a baseline Codex agent. Design uses live PoCs, strict schemas, a three-arm proof, and project THREAT_MODEL.md and PATCHING_GUIDELINES.md files.
blog.trailofbits.comarticlePublished and added 21 Oct 2026๐ก๏ธ Security
How Commerce.com and Cloudflare are getting storefronts ready for AI agentsCloudflare and Commerce.com describe enabling WebMCP, Google's proposed browser standard for exposing structured tools to AI agents, across almost 100,000 storefronts. Cloudflare injects a bridge script at the edge that proxies tools from Commerce.com's backend MCP server. Per-merchant opt-out uses Configuration Rules and custom hostname metadata, and a configurable MCP URL (/api/mcp) was added.
blog.cloudflare.comarticleAdded 29 Oct 2026, published 21 Oct 2026๐ง AI
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