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Microsoft: Anti-spam bug blocks links in Exchange Online, Teams
Microsoft is working to resolve a known issue that causes an anti-spam service to mistakenly block Exchange Online and Microsoft Teams users from opening URLs and quarantine some of their emails.
- September 09, 2025
- 09:40 AM
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Ransomware gangs pose as IT support in Microsoft Teams phishing attacks
Ransomware gangs are increasingly adopting email bombing followed by posing as tech support in Microsoft Teams calls to trick employees into allowing remote control and install malware that provides access to the company network.
- January 21, 2025
- 10:59 AM
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New Webinar: Choose Your Own Investigation — Browser Attack Edition
Modern attacks have shifted focus to the browser, yet detection tools remain largely blind to the crucial activity happening there.
Join Push Security on February 11th for an interactive "choose-your-own-adventure" webinar on ClickFix, credential phishing, and other in-browser attacks we've observed in the wild.
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Google Chrome uses AI to analyze pages in new scam detection feature
Google is using artificial intelligence to power a new Chrome scam protection feature that analyzes brands and the intent of pages as you browse the web.
- December 20, 2024
- 04:31 PM
- 2
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Ongoing phishing attack abuses Google Calendar to bypass spam filters
An ongoing phishing scam is abusing Google Calendar invites and Google Drawings pages to steal credentials while bypassing spam filters.
- December 18, 2024
- 06:16 PM
- 0
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Amazon and Audible flooded with 'forex trading' and warez listings
Amazon, Amazon Music, and Audible, an Amazon-owned online audiobook and podcast service, have been flooded with bogus listings that push dubious "forex trading" sites, Telegram channels, and suspicious links claiming to offer pirated software.
- November 20, 2024
- 08:47 AM
- 0
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Spotify abused to promote pirated software and game cheats
Spotify playlists and podcasts are being abused to push pirated software, game cheat codes, spam links, and "warez" sites. By injecting targeted keywords and links in playlist names and podcast descriptions, threat actors may benefit from boosting SEO for their dubious online properties appearing in Google.
- November 19, 2024
- 05:34 AM
- 0
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Black Basta ransomware poses as IT support on Microsoft Teams to breach networks
The BlackBasta ransomware operation has moved its social engineering attacks to Microsoft Teams, posing as corporate help desks contacting employees to assist them with an ongoing spam attack.
- October 25, 2024
- 04:55 PM
- 0
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Greasy Opal's CAPTCHA solver still serving cybercrime after 16 years
A developer that researchers now track as Greasy Opal, operating as a seemingly legitimate business, has been fueling the cybercrime-as-a-service industry with a tool that bypasses account security solutions and allows bot-led CAPTCHA solving at scale.
- August 23, 2024
- 09:00 AM
- 2
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Azure domains and Google abused to spread disinformation and malware
A clever disinformation campaign engages several Microsoft Azure and OVH cloud subdomains as well as Google search to promote malware and spam sites.
- August 17, 2024
- 09:00 AM
- 1
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AT&T delays Microsoft 365 email delivery due to spam wave
AT&T's email servers are blocking connections from Microsoft 365 due to a "high volume" spam wave originating from Microsoft's service.
- May 09, 2024
- 01:58 PM
- 11
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Microsoft will limit Exchange Online bulk emails to fight spam
Microsoft has announced plans to fight spam by imposing a daily Exchange Online bulk email limit of 2,000 external recipients starting January 2025.
- April 15, 2024
- 03:11 PM
- 0
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Microsoft warns Gmail blocks some Outlook email as spam, shares fix
Microsoft has confirmed that some Outlook.com users are experiencing issues with emails being blocked and marked as spam when trying to email Gmail accounts.
- April 02, 2024
- 06:09 PM
- 2
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Google now blocks spoofed emails for better phishing protection
Google has started automatically blocking emails sent by bulk senders who don't meet stricter spam thresholds and authenticate their messages as required by new guidelines to strengthen defenses against spam and phishing attacks.
- April 01, 2024
- 04:29 PM
- 8
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Google's new AI search results promotes sites pushing malware, scams
Google's new AI-powered 'Search Generative Experience' algorithms recommend scam sites that redirect visitors to unwanted Chrome extensions, fake iPhone giveaways, browser spam subscriptions, and tech support scams.
- March 25, 2024
- 07:32 AM
- 3
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Google Groups is ending support for Usenet to combat spam
Google has officially announced it's ceasing support for Usenet groups on its Google Groups platform, a move partly attributed to the platform's increasing struggle with spam content.
- January 02, 2024
- 12:03 PM
- 1
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‘Wall of Flippers’ detects Flipper Zero Bluetooth spam attacks
A new Python project called 'Wall of Flippers' detects Bluetooth spam attacks launched by Flipper Zero and Android devices.
- December 23, 2023
- 10:09 AM
- 8
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Microsoft: OAuth apps used to automate BEC and cryptomining attacks
Microsoft warns that financially-motivated threat actors are using OAuth applications to automate BEC and phishing attacks, push spam, and deploy VMs for cryptomining.
- December 12, 2023
- 06:53 PM
- 0
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Flipper Zero Bluetooth spam attacks ported to new Android app
Recent Flipper Zero Bluetooth spam attacks have now been ported to an Android app, allowing a much larger number of devices to implement these annoying spam alerts.
- October 31, 2023
- 04:06 PM
- 0
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Flipper Zero can now spam Android, Windows users with Bluetooth alerts
A custom Flipper Zero firmware called 'Xtreme' has added a new feature to perform Bluetooth spam attacks on Android and Windows devices.
- October 25, 2023
- 02:54 PM
- 0
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Microsoft disables bad spam rule flagging all sent emails as junk
Microsoft has disabled a bad anti-spam rule flooding Microsoft 365 admins' inboxes with blind carbon copies (BCC) of outbound emails mistakenly flagged as spam.
- October 18, 2023
- 04:11 AM
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