Threats

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    CISA urges security teams to check for software development compromises

    The agency warned about a wave of attacks targeting credentials and other secrets across critical supply chains.

    By • May 29, 2026
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    IBM’s new $5B initiative will help enterprises rapidly patch open-source vulnerabilities

    The tech giant’s project could make it easier for businesses to safely use open-source packages.

    By • May 28, 2026
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    Trendline

    Managing identity sprawl

    Cyber threat actors know the simplest way to hack into an enterprise and remain under the radar is with stolen, legitimate user credentials -- and cloud services and AI are making managing and securing digital identities more challenging than ever.

    By Cybersecurity Dive staff
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    Enterprise data is creeping its way into shadow AI tools

    Executives and employees are clashing over usage policies as AI security concerns rise, an Okta report found.

    By Paige Gross • May 28, 2026
  • CrowdStrike booth at RSA Conference in San Francisco.
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    Matt Kapko/Cybersecurity Dive
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    Coordinated operation takes down Glassworm botnet

    The botnet began in early 2025, targeting software developers across the open-source supply chain.

    By • May 27, 2026
  • The Microsoft logo is seen at an Experience Center on Fifth Avenue on April 03, 2024 in New York City.
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    Michael M. Santiago via Getty Images
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    FBI warns about PhaaS platform used to access Microsoft 365 environments

    Device code phishing enabled hackers to bypass multifactor authentication without credentials.

    By • May 26, 2026
  • An Iranian flag flutters in front of a building with many windows
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    Michael Gruber via Getty Images
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    Iran-linked hackers target key US, allied sectors with sophisticated spear-phishing messages

    Companies, particularly those in the affected industries, should harden their defenses against impersonation schemes, Palo Alto Networks said.

    By • May 22, 2026
  • Woman in a black suit stands behind a podium with a sign that reads "enhancing cybersecurity protecting New Yorkers."
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    Courtesy of Darren McGee/ Office of Governor Kathy Hochul
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    New York regulator calls for additional cyber mitigation amid heightened threat environment

    The guidance from the state Department of Financial Services arises from concerns about frontier AI and threats linked to the Iran war and other geopolitical risks.

    By • May 22, 2026
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    Grafana Labs links GitHub environment breach to TanStack npm supply chain attack

    The company behind the widely used observability platform refused an extortion demand and has since taken steps to harden its security.

    By • May 21, 2026
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    Microsoft disrupts cybercrime operation that hid behind legitimate software

    The Fox Tempest malware-signing-as-a-service operation was linked to numerous ransomware attacks.

    By • May 20, 2026
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    Leon Neal / Staff via Getty Images
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    Compromised coding tool helped hackers breach thousands of GitHub repositories

    The attack is the latest example of hackers’ intense focus on open-source packages.

    By • May 20, 2026
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    The image by Ervins Strauhmanis is licensed under CC BY 2.0
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    Telecom sector launches its own private ISAC

    Federal government involvement in an existing group chilled some cybersecurity discussions among major telecom providers. The new group is intended to alleviate those anxieties.

    By • May 19, 2026
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    Grafana Labs says hacker gained access to codebase through leaked token

    The company, which operates a widely used observability platform, is refusing to pay an extortion demand.

    By • Updated May 19, 2026
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    Attackers exploit critical flaw in Cisco Catalyst SD-WAN Controller

    Researchers discovered the authentication bypass vulnerability while investigating a prior issue in the same service.

    By • May 15, 2026
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    MSPs need AI to fight AI-fueled cyberthreats: Guardz

    Entry points haven’t changed, but the speed and scale of attacks have intensified, the security vendor found.

    By Kelly Teal, Channel Dive contributor • May 15, 2026
  • Foxconn's manufacturing site in the Village of Mount Pleasant, Wisconsin.
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    Courtesy of Foxconn
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    Foxconn confirms cyberattack affecting some North American facilities

    A ransomware group has claimed a major attack against the electronics manufacturer.

    By • May 13, 2026
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    Canvas owner reaches ‘agreement’ with threat actors after data breach

    Cybersecurity experts suggest that Instructure appears to have made a ransomware payment, which the FBI highly discourages.

    By Anna Merod • May 13, 2026
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    Eric Geller/Cybersecurity Dive
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    AI and an absent government: Takeaways from RSAC 2026

    Cybersecurity professionals discussed the balance between autonomy and oversight at the recent conference.

    By • May 12, 2026
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    Permission granted by Chris Insana
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    Second Canvas data breach causes major disruptions for schools, colleges

    The Instructure-owned learning management system went offline on May 7 after a threat actor once again gained unauthorized access.

    By Anna Merod • May 11, 2026
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    MF3d via Getty Images
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    AI used to develop working zero-day exploit, researchers warn

    A report by GTIG shows threat groups are increasingly leveraging AI to scale attacks. The exploitation attempt was disclosed and patched, preventing a mass incident.

    By • May 11, 2026
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    Instructure confirms cybersecurity incident

    The ed tech company that operates Canvas said information impacted by the data breach includes messages, names, email addresses and student ID numbers.

    By Anna Merod • May 8, 2026
  • Palo Alto Networks
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    Matt Kapko/Cybersecurity Dive
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    Palo Alto Networks warns state-linked cluster behind zero-day exploitation

    A patch for the flaw, which hackers began targeting in early April, won’t be ready for another week.

    By • May 7, 2026
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    Retrieved from NASA's Moderate Resolution Imaging Spectroradiometer.
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    Iran-sponsored threat group behind false flag social engineering campaign

    The state-linked actor has been masquerading as a criminal ransomware group in attacks targeting U.S. organizations.

    By • May 6, 2026
  • A large entrance sign that reads "Gate A, NIST, National Institute of Standards and Technology, U.S. Department of Commerce" is mounted on a rock base and surrounded by grass and trees. In the background to the left of the sign, there is a commercial building.
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    R. Eskalis/NIST. Retrieved from NIST.
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    NIST will test three major tech firms’ frontier AI models for cybersecurity risks

    After Anthropic’s announcement of Claude Mythos, agencies across the government are racing to get ahead of new AI models’ potential dangers.

    By • Updated May 21, 2026
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    Eric Geller/Cybersecurity Dive
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    CISA urges critical infrastructure firms to ‘fortify’ before it’s too late

    As concerns mount about potential cyber sabotage by the Chinese government, the U.S. is warning operators to practice maintaining services in a degraded state.

    By • Updated May 5, 2026
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    White House questions tech industry on defensive AI use, cybersecurity resilience

    Companies may be reluctant to answer some of the government’s questions, given the sensitive topics they address.

    By • May 1, 2026