Tag: email
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A massive breach exposed data of 17.5M Instagram users
A massive breach exposed data of 17.5M Instagram users, triggering mass password reset emails and fears that stolen data is already circulating online. A major data breach has exposed the personal data of about 17.5 million Instagram users, Malwarebytes Labs researchers warn. Exposed data includes usernames, physical addresses, phone numbers, and email addresses,. Since January…
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Massive Instagram Data Breach Exposes Personal Details of 17.5 Million Users
A staggering cybersecurity incident has come to light, with 17.5 million Instagram users’ personal information exposed in a data breach advertised on dark web marketplaces. Cybersecurity firm Malwarebytes first alerted the public via X (formerly Twitter), confirming the leak’s severity as stolen data, including usernames, emails, phone numbers, and partial locations, circulates for sale. Affected…
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North Korealinked APT Kimsuky behind quishing attacks, FBI warns
FBI warns that North Korealinked APT group Kimsuky is targeting governments, think tanks, and academic institutions with quishing attacks. North Korealinked APT group Kimsuky is targeting government agencies, academic institutions, and think tanks using spear-phishing emails that contain malicious QR codes (quishing), the FBI warns. >>As of 2025, Kimsuky actors have targeted think tanks, academic…
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ZombieAgent ChatGPT attack shows persistent data leak risks of AI agents
Worm-like propagation: The email attack even has worming capabilities, as the malicious prompts could instruct ChatGPT to scan the inbox, extract addresses from other email messages, exfiltrate those addresses to the attackers using the URL trick, and send similar poisoned messages to those addresses as well.If the victim is the employee of an organization that…
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Salt Typhoon Hackers Hit Congressional Emails in New Breach
Staff Working on China, Intel, Military Oversight Targeted in Espionage Operation. U.S. officials are probing a suspected Chinese cyber campaign tied to Salt Typhoon that breached congressional staff email systems supporting national security committees, exposing sensitive discussions and raising concerns about unclassified federal network defenses. First seen on govinfosecurity.com Jump to article: www.govinfosecurity.com/salt-typhoon-hackers-hit-congressional-emails-in-new-breach-a-30484
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Email security needs more seatbelts: Why click rate is the wrong metric
Click rate misses the real email security risk: what attackers can do after they access a mailbox. Material Security explains why containment and post-compromise impact matter more than phishing metrics. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/email-security-needs-more-seatbelts-why-click-rate-is-the-wrong-metric/
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Enterprises still aren’t getting IAM right
Tags: access, ai, api, authentication, automation, cloud, control, credentials, cybersecurity, data, email, governance, iam, identity, incident response, infrastructure, least-privilege, password, risk, saas, service, toolJust 1% have fully implemented a modern just-in-time (JIT) privileged access model;91% say at least half of their privileged access is always-on (standard privilege), providing unrestricted, persistent access to sensitive systems;45% apply the same privileged access controls to human and AI identities;33% lack clear AI access policies.The research also revealed a growing issue with “shadow…
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Gmail’s new AI Inbox uses Gemini, but Google says it won’t train AI on user emails
Google says it’s rolling out a new feature called ‘AI Inbox,’ which summarizes all your emails, but the company promises it won’t train its models on your emails. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/google/gmails-new-ai-inbox-uses-gemini-but-google-says-it-wont-train-ai-on-user-emails/
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CPPA fines data broker selling lists of Alzheimer’s patients
Datamasters bought and resold the names, addresses, phone numbers and email addresses of millions of people with Alzheimer’s disease, drug addiction, bladder incontinence and other medical conditions for targeted advertising, according to the CPPA. First seen on therecord.media Jump to article: therecord.media/ccpa-fines-data-broker-selling-lists-alzheimers
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New DocuSign-Themed Phishing Scam Delivers Stealth Malware to Windows Devices
New research has uncovered asophisticated phishingcampaign that abusesDocuSign’sbrand to deliver Vidar malware and infect Windows systems. The operation uses a realistic phishing site, a fake signed installer, access-code checks, andtimebasedexecution barriers to evade both users and automated analysis. DocuSign-themed phishing setup The attack starts with a targeted phishing email that pretends to come fromDocuSignand urges…
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Report: China Breached Email Systems Used by U.S. Congressional Staff
Beijing dismissed accusations of Chinese involvement in a significant cyberattack against United States congressional staff email systems on Thursday, characterizing the allegations as >>politically motivated disinformation.<< The denial comes after the Financial Times reported that Chinese hackers successfully compromised email infrastructure used by members of powerful House of Representatives committees, according to sources familiar with…
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Phishing-Angreifer setzen vermehrt auf E-Mail-Routing-Lücken
Tags: 2fa, authentication, business, cyberattack, dmarc, dns, email, framework, infrastructure, intelligence, mail, mfa, microsoft, password, phishing, risk, service, spam, threatAngreifer missbrauchen falsch konfigurierte Richtlinien, um Phishing-E-Mails wie interne E-Mails aussehen zu lassen, Filter zu umgehen und Anmeldedaten zu stehlen.Das Threat Intelligence Team von Microsoft hat kürzlich festgestellt, dass Angreifer zunehmend komplexe E-Mail-Weiterleitungen und falsch konfigurierte Domain-Spoofing-Schutzmaßnahmen ausnutzen. Dabei lassen sie ihre Phishing-Nachrichten so aussehen, als würden sie von den angegriffenen Organisationen selbst stammen.In den…
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Phishing Attacks Exploit Misconfigured Email Routing Settings to Target Microsoft 365 Users
Misconfigurations abused to make phishing emails look like they come from within the organization First seen on infosecurity-magazine.com Jump to article: www.infosecurity-magazine.com/news/phishing-exploits-misconfigured/
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PayPal email scam: How it worked before the fix
A recent PayPal email scam used real PayPal messages to show fake purchase details and a callback number. See how it worked. First seen on securityboulevard.com Jump to article: securityboulevard.com/2026/01/paypal-email-scam-how-it-worked-before-the-fix/
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NDSS 2025 A Multifaceted Study On The Use of TLS And Auto-detect In Email Ecosystems
Session 8A: Email Security Authors, Creators & Presenters: Ka Fun Tang (The Chinese University of Hong Kong), Che Wei Tu (The Chinese University of Hong Kong), Sui Ling Angela Mak (The Chinese University of Hong Kong), Sze Yiu Chau (The Chinese University of Hong Kong) PAPER A Multifaceted Study on the Use of TLS and…
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Hackers Using Malicious QR Codes for Phishing via HTML Table
Threat actors are continuing to refine “quishing” phishing delivered through QR codes by shifting from traditional image-based payloads to “imageless” QR codes rendered directly in email HTML, a tactic designed to sidestep security tools that focus on decoding QR images. QR code abuse is not new, but it remains effective because the user experience is…
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Threat Actors Exploit Google Cloud Services to Steal Microsoft 365 Credentials
Tags: cloud, credentials, cyber, cybersecurity, email, exploit, google, infrastructure, malicious, microsoft, phishing, service, threatA sophisticated phishing campaign is exploiting Google Cloud infrastructure to bypass email security filters and steal Microsoft 365 credentials, demonstrating how attackers increasingly abuse trusted cloud platforms to lend legitimacy to their malicious activities. Cybersecurity researchers at Check Point have uncovered a large-scale operation targeting approximately 3,200 organizations, resulting in over 9,300 phishing emails over…
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Malicious NPM Packages Deliver NodeCordRAT
IntroductionZscaler ThreatLabz regularly monitors the npm database for suspicious packages. In November 2025, ThreatLabz identified three malicious packages: bitcoin-main-lib, bitcoin-lib-js, and bip40. The bitcoin-main-lib and bitcoin-lib-js packages execute a postinstall.cjs script during installation, which installs bip40, the package that contains the malicious payload. This final payload, named NodeCordRAT by ThreatLabz, is a remote access trojan (RAT) with data-stealing capabilities. It is also possible to download bip40…
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Malicious NPM Packages Deliver NodeCordRAT
IntroductionZscaler ThreatLabz regularly monitors the npm database for suspicious packages. In November 2025, ThreatLabz identified three malicious packages: bitcoin-main-lib, bitcoin-lib-js, and bip40. The bitcoin-main-lib and bitcoin-lib-js packages execute a postinstall.cjs script during installation, which installs bip40, the package that contains the malicious payload. This final payload, named NodeCordRAT by ThreatLabz, is a remote access trojan (RAT) with data-stealing capabilities. It is also possible to download bip40…
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Critical RCE flaw allows full takeover of n8n AI workflow platform
Tags: ai, api, attack, authentication, cloud, credentials, data, email, exploit, flaw, leak, LLM, password, rce, remote-code-execution, threat, vulnerabilityformWebhook function used by n8n Form nodes to receive data doesn’t validate whether the Content-Type field of the POST request submitted by the user is set to multipart/form-data.Imagine a very common use case in which n8n has been used to build a chat interface that allows users to upload files to the system, for example,…
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NDSS 2025 Automatic Insecurity: Exploring Email Auto-configuration In The Wild
Tags: attack, conference, credentials, cyber, email, Internet, network, technology, threat, vulnerabilitySession 8A: Email Security Authors, Creators & Presenters: Shushang Wen (School of Cyber Science and Technology, University of Science and Technology of China), Yiming Zhang (Tsinghua University), Yuxiang Shen (School of Cyber Science and Technology, University of Science and Technology of China), Bingyu Li (School of Cyber Science and Technology, Beihang University), Haixin Duan (Tsinghua…
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Reverse DNS mismatch: Fix SMTP banner errors
Fix “reverse DNS does not match SMTP banner” errors by aligning PTR, A records, and server identity to restore trust and reliable email delivery. First seen on securityboulevard.com Jump to article: securityboulevard.com/2026/01/reverse-dns-mismatch-fix-smtp-banner-errors/
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Classic Outlook bug prevents opening encrypted emails
Microsoft has confirmed a known issue that prevents recipients from opening encrypted emails in classic Outlook. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/microsoft/microsoft-classic-outlook-bug-prevents-opening-encrypted-emails/
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Misconfigured email routing enables internal-spoofed phishing
Attackers exploit misconfigured email routing to spoof internal emails, using PhaaS platforms like Tycoon2FA to steal credentials. Attackers exploit misconfigured email routing and spoof protections to send phishing emails appearing internal, using PhaaS platforms like Tycoon2FA to steal credentials. >>Phishing actors are exploiting complex routing scenarios and misconfigured spoof protections to effectively spoof organizations’ domains…
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Microsoft scraps Exchange Online spam clamp after customers cry foul
Negative feedback sinks Redmond’s plan to cap outbound email recipients First seen on theregister.com Jump to article: www.theregister.com/2026/01/07/exchange_online_recipient_rate/
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International Threats: Themes for Regional Phishing Campaigns
Cofense Intelligence relies on over 35 million trained employees from around the world, therefore a considerable number of analyzed campaigns are written in languages other than English. This report covers from May 2023 to May 2025 and focuses on the overall themes of campaigns in the top five most commonly seen languages besides English that…
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Microsoft warns of a surge in phishing attacks exploiting email routing gaps
Hardening configurations can help: The disclosure emphasizes that proper configuration of mail authentication mechanisms is the most effective defense against this spoofing vector. Organizations are advised to adopt strict DMARC reject policies and enforce SPF hard fails so that unauthenticated mail claiming to be from their domains is rejected or safely quarantined.Additionally, recommendations include ensuring…
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Microsoft Warns Misconfigured Email Routing Can Enable Internal Domain Phishing
Threat actors engaging in phishing attacks are exploiting routing scenarios and misconfigured spoof protections to impersonate organizations’ domains and distribute emails that appear as if they have been sent internally.”Threat actors have leveraged this vector to deliver a wide variety of phishing messages related to various phishing-as-a-service (PhaaS) platforms such as Tycoon 2FA,” the First…