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Microsoft: DNS outage impacts Azure and Microsoft 365 services
Microsoft is suffering an ongoing DNS outage affecting customers worldwide, preventing them from logging into company networks and accessing Microsoft Azure and Microsoft 365 services.
- October 29, 2025
- 12:49 PM
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Amazon: This week’s AWS outage caused by major DNS failure
Amazon says a major DNS failure was behind a massive AWS (Amazon Web Services) outage that took down many websites and online services on Monday.
- October 24, 2025
- 11:33 AM
2
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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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DNS0.EU private DNS service shuts down over sustainability issues
The DNS0.EU non-profit public DNS service focused on European users announced its immediate shut down due to time and resource constraints.
- October 20, 2025
- 05:05 PM
- 0
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Cloudflare says 1.1.1.1 outage not caused by attack or BGP hijack
To quash speculation of a cyberattack or BGP hijack incident causing the recent 1.1.1.1 Resolver service outage, Cloudflare explains in a post mortem that the incident was caused by an internal misconfiguration.
- July 16, 2025
- 12:49 PM
- 2
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Hazy Hawk gang exploits DNS misconfigs to hijack trusted domains
A threat actor named 'Hazy Hawk' has been using DNS CNAME hijacking to hijack abandoned cloud endpoints of domains belonging to trusted organizations and incorporate them in large-scale scam delivery and traffic distribution systems (TDS).
- May 20, 2025
- 11:57 AM
- 0
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CISA warns of Fast Flux DNS evasion used by cybercrime gangs
CISA, the FBI, the NSA, and international cybersecurity agencies are calling on organizations and DNS providers to mitigate the "Fast Flux" cybercrime evasion technique used by state-sponsored threat actors and ransomware gangs.
- April 03, 2025
- 03:37 PM
- 0
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Microsoft fixes Entra ID authentication issue caused by DNS change
Microsoft has fixed an issue that caused Entra ID DNS authentication failures when using the company's Seamless SSO and Microsoft Entra Connect Sync.
- February 25, 2025
- 03:17 PM
- 0
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MikroTik botnet uses misconfigured SPF DNS records to spread malware
A newly discovered botnet of 13,000 MikroTik devices uses a misconfiguration in domain name server records to bypass email protections and deliver malware by spoofing roughly 20,000 web domains.
- January 15, 2025
- 03:04 PM
- 0
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Hackers use PHP exploit to backdoor Windows systems with new malware
Unknown attackers have deployed a newly discovered backdoor dubbed Msupedge on a university's Windows systems in Taiwan, likely by exploiting a recently patched PHP remote code execution vulnerability (CVE-2024-4577).
- August 20, 2024
- 01:49 PM
- 3
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Sitting Ducks DNS attacks let hackers hijack over 35,000 domains
Threat actors have hijacked more than 35,000 registered domains in so-called Sitting Ducks attacks that allow claiming a domain without having access to the owner's account at the DNS provider or registrar.
- August 01, 2024
- 01:10 PM
- 0
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DNS hijacks target crypto platforms registered with Squarespace
A wave of coordinated DNS hijacking attacks targets decentralized finance (DeFi) cryptocurrency domains using the Squarespace registrar, redirecting visitors to phishing sites hosting wallet drainers.
- July 12, 2024
- 02:28 PM
- 1
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Cloudflare blames recent outage on BGP hijacking incident
Internet giant Cloudflare reports that its DNS resolver service, 1.1.1.1, was recently unreachable or degraded for some of its customers because of a combination of Border Gateway Protocol (BGP) hijacking and a route leak.
- July 05, 2024
- 02:41 PM
- 1
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Hackers use DNS tunneling for network scanning, tracking victims
Threat actors are using Domain Name System (DNS) tunneling to track when their targets open phishing emails and click on malicious links, and to scan networks for potential vulnerabilities.
- May 13, 2024
- 01:50 PM
- 1
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Android bug leaks DNS queries even when VPN kill switch is enabled
A Mullvad VPN user has discovered that Android devices leak DNS queries when switching VPN servers even though the "Always-on VPN" feature was enabled with the "Block connections without VPN" option.
- May 03, 2024
- 05:02 PM
- 4
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Muddling Meerkat hackers manipulate DNS using China’s Great Firewall
A new cluster of activity tracked as "Muddling Meerkat" is believed to be linked to a Chinese state-sponsored threat actor's manipulation of DNS to probe networks globally since October 2019, with a spike in activity observed in September 2023.
- April 29, 2024
- 04:24 PM
- 0
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Savvy Seahorse gang uses DNS CNAME records to power investor scams
A threat actor named Savvy Seahorse is abusing CNAME DNS records Domain Name System to create a traffic distribution system that powers financial scam campaigns.
- February 28, 2024
- 09:00 AM
- 0
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KeyTrap attack: Internet access disrupted with one DNS packet
A serious vulnerability named KeyTrap in the Domain Name System Security Extensions (DNSSEC) feature could be exploited to deny internet access to applications for an extended period.
- February 17, 2024
- 11:08 AM
- 0
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ExpressVPN bug has been leaking some DNS requests for years
ExpressVPN has removed the split tunneling feature from the latest version of its software after finding that a bug exposed the domains users were visiting to configured DNS servers.
- February 11, 2024
- 10:09 AM
- 0
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Massive cybercrime URL shortening service uncovered via DNS data
A threat actor that security researchers call Prolific Puma has been providing link shortening services to cybercriminals for at least four years while keeping a sufficiently low profile to operate undetected.
- October 31, 2023
- 11:23 AM
- 1
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Square: Last week’s outage was caused by DNS issue, not a cyberattack
Payment processing firm Square says a widespread outage that took down a large part of the company's infrastructure last week was caused by a DNS issue.
- September 11, 2023
- 11:21 AM
- 0
