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Tag: attackers

  • Hacker News: Constant-Time Code: The Pessimist Case [pdf]

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    Kurt Seifried
    in

    Source URL: https://eprint.iacr.org/2025/435.pdf Source: Hacker News Title: Constant-Time Code: The Pessimist Case [pdf] Feedly Summary: Comments AI Summary and Description: Yes Summary: The text discusses the challenges and pessimistic outlook surrounding the implementation of constant-time coding in cryptographic software, especially in the light of modern compiler optimization techniques and the increasing complexity of CPU architectures.…

  • Alerts: CISA and Partners Release Cybersecurity Advisory on Medusa Ransomware

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    Kurt Seifried
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    Source URL: https://www.cisa.gov/news-events/alerts/2025/03/12/cisa-and-partners-release-cybersecurity-advisory-medusa-ransomware Source: Alerts Title: CISA and Partners Release Cybersecurity Advisory on Medusa Ransomware Feedly Summary: Today, CISA—in partnership with the Federal Bureau of Investigation (FBI) and Multi-State Information Sharing and Analysis Center (MS-ISAC)—released joint Cybersecurity Advisory, #StopRansomware: Medusa Ransomware. This advisory provides tactics, techniques, and procedures (TTPs), indicators of compromise (IOCs), and detection…

  • The Register: Expired Juniper routers find new life – as Chinese spy hubs

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    Kurt Seifried
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    Source URL: https://www.theregister.com/2025/03/12/china_spy_juniper_routers/ Source: The Register Title: Expired Juniper routers find new life – as Chinese spy hubs Feedly Summary: Fewer than 10 known victims, but Mandiant suspects others compromised, too Chinese spies have for months exploited old Juniper Networks routers, infecting the buggy gear with custom backdoors and gaining root access to the compromised…

  • CSA: How Can Healthcare Improve Cybersecurity? Lessons from 2024

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    Kurt Seifried
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    Source URL: https://cloudsecurityalliance.org/articles/from-ransomware-to-regulation-lessons-from-the-worst-year-of-healthcare-cyber-breaches Source: CSA Title: How Can Healthcare Improve Cybersecurity? Lessons from 2024 Feedly Summary: AI Summary and Description: Yes Summary: The text discusses the heightened cybersecurity challenges faced by the healthcare sector in 2024, emphasizing the increasing frequency and severity of cyberattacks, particularly ransomware, which poses serious threats to patient safety and healthcare…

  • Hacker News: Azure’s Weakest Link? How API Connections Spill Secrets

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    Kurt Seifried
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    Source URL: https://www.binarysecurity.no/posts/2025/03/api-connections Source: Hacker News Title: Azure’s Weakest Link? How API Connections Spill Secrets Feedly Summary: Comments AI Summary and Description: Yes **Summary:** The text discusses significant security vulnerabilities identified in Azure API Connections that allow users with minimal permissions (Reader roles) to make unauthorized API calls to sensitive backend resources. It emphasizes the…

  • Krebs on Security: Microsoft: 6 Zero-Days in March 2025 Patch Tuesday

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    Kurt Seifried
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    Source URL: https://krebsonsecurity.com/2025/03/microsoft-6-zero-days-in-march-2025-patch-tuesday/ Source: Krebs on Security Title: Microsoft: 6 Zero-Days in March 2025 Patch Tuesday Feedly Summary: Microsoft today issued more than 50 security updates for its various Windows operating systems, including fixes for a whopping six zero-day vulnerabilities that are already seeing active exploitation. AI Summary and Description: Yes Summary: Microsoft recently released…

  • The Register: Allstate Insurance sued for delivering personal info on a platter, in plaintext, to anyone who went looking for it

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    Kurt Seifried
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    Source URL: https://www.theregister.com/2025/03/10/allstate_sued_pii_exposure/ Source: The Register Title: Allstate Insurance sued for delivering personal info on a platter, in plaintext, to anyone who went looking for it Feedly Summary: Crooks built bots to exploit astoundingly bad quotation website and made off with data on thousands New York State has sued Allstate Insurance for operating websites so…

  • Threat Research Archives – Unit 42: RustDoor and Koi Stealer for macOS Used by North Korea-Linked Threat Actor to Target the Cryptocurrency Sector

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    Kurt Seifried
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    Source URL: https://unit42.paloaltonetworks.com/macos-malware-targets-crypto-sector/ Source: Threat Research Archives – Unit 42 Title: RustDoor and Koi Stealer for macOS Used by North Korea-Linked Threat Actor to Target the Cryptocurrency Sector Feedly Summary: AI Summary and Description: Yes Summary: The text details a significant malware campaign targeting macOS systems, notably linked to North Korean nation-state actors employing advanced…