SentryDigest

'AgentCorruption' Puts AWS Environments At Risk With Single Prompt

A now-patched vulnerability in AWS Bedrock AgentCore could allow an attacker to use one AI chatbot to take over an organization's entire fleet.

Ransomware attack disrupts Japan's IDCF Cloud used by govt clients

IDC Frontier, a major Japanese cloud and digital infrastructure company, disclosed that its IDCF Cloud service was targeted in a ransomware attack that caused an outage at a data center cluster serving the eastern part of the country…

Low-cost Android phones ship with residential proxy malware

A malware campaign dubbed 'Midnight Mimosa' has been discovered on low-cost Android smartphones that ship with malicious software embedded in their firmware, allowing attackers to silently install apps, perform ad fraud, and turn devices into residential proxies…

Venezuelan Cartel's Malware Honcho Nabbed for ATM Jackpotting

The first cybercriminal to ever make the FBI's "10 Most Wanted Fugitives" list allegedly infused Tren de Aragua's violent criminal operations with cash.

FBI Says China-Linked Hackers Ran Portal Giving Third Parties Access to Stolen Emails

Hackers tied to a Chinese cybersecurity company stole email from government organizations, law enforcement agencies, healthcare systems, and religious institutions in Southeast Asia, the FBI and agencies in 6 other countries said on October 8. The company, Integrity Technology Group, has been sanctioned by the U.S. and the UK. The hackers scanned websites for flaws using a tool containing more…

Russian Spies Give 'MatchBoil' Malware a Stealthy Facelift

Cyber-espionage actor UAC-0099 has been steadily refining its flagship dropper in campaigns targeting Ukrainian organizations.

ThreatsDay: Ransomware Affiliate Betrayal, WhatsApp RAT, Exposed Hacker Tools and 12 More Stories

The crooks have trust problems of their own. One ransomware affiliate decided to keep the profits for himself. Elsewhere, an attacker left a server exposed, complete with tools and traces of an intrusion. Apparently, keeping things secure is a problem on both sides of the fence. The rest of the week isn't much more reassuring. Malicious code turned up in developer packages and extensions that…

FakeGit malware campaign returns with 17,610 malicious GitHub repos

More than 17,000 fake repositories on GitHub are distributing the SmartLoader malware after the FakeGit campaign reactivated earlier this month to push the StealC infostealer…

Japan Sees Sharp Rise in Web Data Leaks Amid Mobile API Abuse and Metabase Attacks

Attackers behind a string of personal data leaks at Japanese organizations have abused APIs for mobile apps and targeted known software flaws, the JPCERT Coordination Center (JPCERT/CC) said. The Tokyo-based center, which takes incident reports, based its October 8, 2026 alert on those reports and other information. The alert names no attacker and no affected organization. JPCERT/…

UAC-0099 Targets Ukrainian Government Personnel With ASHVEIN RAT Hiding Commands in HTML

The Russia-aligned threat actor known as UAC-0099 has been attributed to a previously undocumented .NET infostealer and remote access trojan (RAT) codenamed ASHVEIN. According to TrendAI, the malware has been put to use in attacks targeting Ukrainian government personnel. The cybersecurity company is tracking the cluster under the name Earth Sirrush (previously SHADOW-EARTH-065). ASHVEIN…

Cisco warns of critical flaws allowing Nexus switch takeover

Cisco released security advisories for five critical vulnerabilities in its NX-OS data center network operating system that could be exploited to run arbitrary code with root privileges on Nexus switches…

ARTEX AI Pentesting Tool Used in Data Theft Attacks on South Korean Financial Firms

Cybersecurity researchers have disclosed details of a targeted campaign aimed at South Korean financial organizations that used an artificial intelligence (AI) pen testing tool named ARTEX to carry out the attacks. The activity, per CrowdStrike Intelligence, was active from late September to early October 2026, and resulted in data exfiltration. "In this activity, the threat actor leveraged…

OAuth grants pile up faster than you can review them. Here's how to keep up.

OAuth grants create data highways between SaaS apps, AI agents, and other tools. And, they are multiplying faster than any security team can review them. As the recent Klue breach showed, attackers are taking notice and exploiting forgotten OAuth grants to gain access to corporate data. This article covers why OAuth risks are so hard…

Uranium crypto exchange hacker convicted for stealing $53 million

A Maryland man was found guilty of stealing more than $53 million after hacking the decentralized crypto exchange Uranium Finance twice in April 2021…

Microsoft Teams to get support for third-party deepfake detection tools

Microsoft will soon introduce support for third-party deepfake detection solutions and impersonation protection in Teams meetings…

Writing the Next Chapter

Dark Reading is about to begin a new decade in its storied history, and we have some breaking news of our own to share.

ASOS links data breach to social engineering attack, credential theft

ASOS is sending updates to affected customers about the cybersecurity incident it suffered earlier this week, confirming that hackers accessed some personal data…

Wazza Phishkit Targets Banking, Government, and Manufacturing Across the US, EU, and Australia

Phishing kits are no longer limited to copying a familiar login page and waiting for a victim to enter credentials. Attackers are increasingly building filtering, session management, and traffic controls into the infrastructure that delivers the phishing page itself. ANY.RUN has identified Wazza, a new phishkit targeting banking, manufacturing, and government organizations across the US, Europe…

Owner of Empire cybercrime market gets 40 years in prison

The co-creator of Empire Market, one of the largest dark web marketplaces before its shutdown, has been sentenced to 40 years in prison for facilitating $430 million in illegal transactions from 2018 to 2020…

16 Malicious Firefox Extensions Pose as Rabby and OKX Wallets to Steal Recovery Phrases

Cybersecurity researchers have discovered a cluster of 16 malicious Mozilla Firefox extensions that are capable of stealing cryptocurrency wallet recovery phrases and private keys. "The extensions masquerade as wallet portals, desktop utilities, and browser tools, but their code intercepts recovery phrases and private keys during wallet import flows and attempts to send those secrets to…

U.S. Offers Up to $10 Million for Tips on Zhang Yu, Charged in HAFNIUM Hacks

The U.S. State Department is offering up to $10 million for information leading to the identification or location of Zhang Yu, a Chinese national charged in the United States in connection with the 2021 Microsoft Exchange Server attacks known as HAFNIUM. The reward is for information leading to his identification or location, the news outlet NTD reported this week, citing a notice…

MonsterCloud Owner Accused of Billing Over $19M While Secretly Paying Ransoms to Decrypt Data

The U.S. Department of Justice (DoJ) on Wednesday announced charges against a 50-year-old U.S. and Israeli national for allegedly defrauding ransomware victims by secretly paying the attackers to obtain decryptors while claiming to use proprietary tools to recover their data. Zohar Pinhasi (aka Zack Silver and Zack Green) has been charged with two counts of wire fraud and one count of wire…

Samsung Galaxy S26 hacked three more times at Pwn2Own Ireland

​​​On the second day of Pwn2Own Ireland 2026, security researchers collected $232,500 in cash awards after exploiting 45 unique zero-day vulnerabilities…

Tensorlake npm Package Compromised to Deliver Shai-Hulud Credential-Stealing Worm

The npm package known as "tensorlake," a TypeScript software development kit (SDK) for Tensorlake applications, sandboxes, and cloud services, was compromised as part of a ChainDrop / Shai-Hulud supply chain attack. The malicious version 0.5.144 "contains obfuscated malware that harvests credentials, exfiltrates secrets, establishes persistence, and executes remotely supplied code," Socket said…

Ransomware recovery CEO charged over secret ransom payments

The owner of ransomware remediation company MonsterCloud has been charged with allegedly defrauding ransomware victims by secretly paying their attackers for decryptors while claiming to use proprietary technology to recover encrypted data…

Australian Gov't Weighs Mandatory AI Incident Reporting

In the wake of an agentic attack against its own Medicare systems, Australia's government is feeling out what regulations might look like for frontier AI companies.

FBI: Ongoing FortiBleed attacks lock out FortiGate VPN admins

The FBI is warning that FortiBleed attacks are still ongoing, targeting exposed Fortinet FortiGate firewalls and SSL VPN gateways and locking out legitimate administrators…

Citizen Lab Slams Trump Administration, 'Techno-Fascist' Executives

The Citizen Lab's Ron Deibert warns the US government is pushing for pervasive surveillance and says certain technology executives are all too happy to help.

Anthropic Gives Vetted Defenders Fewer Claude Guardrails

Anthropic has merged Project Glasswing into a tiered access program for its advanced cyber LLMs, including Opus, Sonnet, and Mythos.

Hackers hijack Google domains after breaching ccTLD registries

Hackers obtained unauthorized HTTPS certificates for several Google domains and hijacked domains in the country-code top-level domains (ccTLDs) for Ghana, American Samoa, and Sierra Leone after compromising third-party operators and modifying authoritative DNS records…

OpenAI Agent Escape Causes Wikimedia Service Outage

Autonomous agents also tried to abuse other websites and services hosted by the foundation, using them as proxies for unauthorized activities.

Attackers Hijack .gh, .sl, and .as Registries to Obtain Certificates for Google Domains

Attackers compromised three country-code top-level domains (ccTLDs) and obtained unauthorized HTTPS certificates for several Google domains, Google said on October 6. Google's own systems were not breached, but any domain ending in .gh (Ghana), .sl (Sierra Leone) or .as (American Samoa) was put at risk. With such a certificate, an attacker could pose as the real site over an encrypted…

Eight Malicious npm Packages Downloaded 40,767 Times Deliver Overlord RAT and Stealer

Cybersecurity researchers have disclosed details of a long-running npm supply chain malware campaign that pushes information stealers and remote access trojans (RAT) to compromised hosts. The campaign has been codenamed MALFEX by CloudSEK and Checkmarx. The activity is assessed to be the work of a lone threat actor who appears to have published 12 packages since August 2023, eight of which have…

SonicWall Patches CVSS 10.0 Pre-Authentication SSRF Flaw in SMA1000 Appliances

SonicWall has released hotfixes for four flaws in its SMA1000 appliances, the gateways that give remote workers access to a company's network and applications. The most serious could allow an attacker without a login to send requests through the appliance and reach internal functions. SonicWall rates it 10.0 on the CVSS scale and says it has no evidence that any of the four flaws is being…

Microsoft Outlook to block MSIX attachments starting November

Microsoft announced that it will add .msix and .msixbundle attachments to the list of blocked attachments in Outlook Web and the new Outlook Windows client starting next month…

Unpatched Critical LMCache Flaw Lets Unauthenticated Attackers Run Code Remotely

A critical vulnerability in LMCache, open-source software that speeds up large language model (LLM) servers such as vLLM, lets an attacker run code on the cache server without logging in, and no fixed version is available. The flaw is in LMCache's multiprocess mode, where the cache runs as a standalone server that LLM workers reach over the ZeroMQ messaging library. A single network…

PoeLLM Malware Infects 3,400+ Servers to Expand Crypto Mining Botnet

Cybersecurity researchers are calling attention to a new malware family that has been observed targeting exposed artificial intelligence (AI) and large language model (LLM) infrastructure with an aim to deploy cryptocurrency miners and further expand the scale of the botnet. The financially motivated campaign, dubbed Canto Incognito, has been found to install cryptocurrency miners, including…

PoeLLM malware infects exposed AI servers in cryptomining attacks

A cryptomining campaign targeting exposed AI services is using PoeLLM malware to turn compromised servers into scanners and exploit launchpads…

Ransomware has a new target. Is your backup ready?

Ransomware groups are increasingly targeting backup infrastructure to eliminate recovery options and increase pressure on victims to pay. Kaseya explains why organizations need isolated, immutable, and regularly tested backups that attackers cannot easily reach…

ShinyHunters Extorted Boeing Spin-off Prior to Arrests

Hackers exploit critical Atlassian flaw after public PoC release

A critical vulnerability (CVE-2026-21589) affecting multiple Atlassian product families, including Jira, Confluence, and Bitbucket, is being exploited in attacks that do not require authentication…

The Sixth Voice of the CISO Data Shows Cyber Risk Has Moved Inside the Workflow

The 2026 findings are not just a year-over-year shift. They mark the latest point in a five-year arc where resilience, AI governance, human risk, and board scrutiny are converging inside the systems where work actually happens. For years, the enterprise cybersecurity story has been told as a straight line of escalation: more attacks, more data loss, more pressure, and more urgency. That…

FBI Warns FortiBleed Remains Active After Amassing 86,644 Fortinet Device Credentials

The U.S. Federal Bureau of Investigation (FBI) and Secret Service (USSS) on Tuesday warned that the FortiBleed credential harvesting campaign remains an active threat aimed at internet-facing Fortinet FortiGate firewalls and secure socket layer (SSL) virtual private network (VPN) gateways. "The campaign exploits reused or leaked credentials and legacy SHA-256 password storage, enabling threat…

Atlassian Data Center Flaw Draws Exploitation Attempts Within Two Hours of Public Details

Threat actors have begun to exploit a newly disclosed critical security flaw impacting Atlassian Data Center products that could allow access to sensitive files under certain conditions. The arbitrary file access flaw, tracked as CVE-2026-21589 (CVSS score: 9.3) affects multiple products, including Bitbucket Data Center, Confluence Data Center, Jira Service Management Data Center, Jira Software…

What Is Agentic Pentesting? What It Proves, and Where It Stops.

If you’re evaluating an agentic pentesting solution right now, you’ve probably heard the same pitch more than once: point it at a target, and it discovers, validates, and exploits attack paths autonomously, the way a real attacker would. That promise is worth taking seriously. It’s also worth pressure testing, and three questions do the heavy lifting. What can the assessment actually…

SonicWall warns of max severity SSRF flaw in SMA1000 gateways

SonicWall has released hotfixes to address a maximum-severity server-side request forgery (SSRF) flaw in SMA1000 series appliances…

Musician sent to prison for $10 million streaming fraud using AI bots

A North Carolina musician was sentenced to 18 months in prison for collecting more than $10 million in royalties from Spotify, Apple Music, Amazon Music, and YouTube Music in a massive streaming royalty fraud scheme…

Advantest confirms personal information stolen in ransomware attack

Advantest Corporation is notifying affected individuals that a ransomware attack earlier this year exposed their personally identifiable data…

Anthropic Expands Claude Access for Vetted Cyber Teams as Glasswing Finds 129,000 Flaws

Anthropic on Tuesday said it's expanding a program that allows vetted cybersecurity professionals to test its advanced artificial intelligence (AI) models with reduced safeguards and blocking classifiers, as the company claimed its Project Glasswing initiative uncovered at least 129,000 verified software vulnerabilities between April and July 2026. The company said it also found an additional…

100+ Compromised Websites Use Fake Cloudflare Checks to Deliver LunexStealer

The Computer Emergency Response Team of Ukraine (CERT-UA) has identified more than 100 compromised websites that have been injected with malicious JavaScript to serve an information-stealing malware called LunexStealer (aka Psychedelic Stealer). The activity, which was observed by the agency in September 2026, has been attributed to a threat cluster dubbed UAC-0277. It did not disclose who the…

Ninja Forms plugin flaw exploited to hack WordPress sites

Hackers are exploiting stored cross-site scripting (XSS) vulnerabilities in two unrelated WordPress plugins, Ninja Forms and WPC Product Bundles for WooCommerce, to install backdoors and create rogue admin accounts…

ClickFix Attacks Evolve to Better Hide Malicious Payloads

Threat actors are now hiding payloads by using DNS TXT records and browser cache pre-fetching, making it tougher to spot early attack stages.

Critical Healthcare Systems Aren't Quantum-Ready

A study of 2.5 million devices across 50 healthcare organizations suggests the sector has a long way to go in getting ready for the post-quantum cryptography era.

Hackers exploit 32 zero-days on first day of Pwn2Own Ireland

On the first day of the Pwn2Own Ireland 2026 competition, security researchers hacked the Samsung Galaxy S26 twice and earned $388,500 after exploiting 32 zero-days…