https://upguard-staging.webflow.ioSubscribe to UpGuard's cybersecurity news summaries and get notified when new updates are posted.Thu, 18 Dec 2025 01:02:30 GMTWebflowhttps://upguard-staging.webflow.io/news/data-breach-tris-pharmahttps://upguard-staging.webflow.io/news/data-breach-tris-pharmaA data breach involving Tris Pharma was reported in December 2025. See incident details, impact on customers, and recommended security measures.Thu, 11 Dec 2025 02:13:16 GMThttps://upguard-staging.webflow.io/news/critical-react2shell-flaw-added-to-cisa-kevhttps://upguard-staging.webflow.io/news/critical-react2shell-flaw-added-to-cisa-kevA security incident involving React was reported in December 2025. See incident details, impact on customers, and recommended security measures. Thu, 11 Dec 2025 02:13:16 GMThttps://upguard-staging.webflow.io/news/barts-health-nhs-trust-data-breachhttps://upguard-staging.webflow.io/news/barts-health-nhs-trust-data-breachA data breach involving Barts Health NHS Trust was reported in December 2025. See incident details, impact on customers, and recommended security measures. Thu, 11 Dec 2025 02:13:16 GMThttps://upguard-staging.webflow.io/news/splunk-enterprise-vulnerabilities-cve-2025-20386-and-cve-2025-20387https://upguard-staging.webflow.io/news/splunk-enterprise-vulnerabilities-cve-2025-20386-and-cve-2025-20387Splunk disclosed high-severity vulnerabilities in Windows Enterprise and Universal Forwarder on Dec 3, 2025. See affected versions and remediation steps. Thu, 11 Dec 2025 02:13:16 GMThttps://upguard-staging.webflow.io/news/hacker-forum-leaks-data-of-its-own-membershttps://upguard-staging.webflow.io/news/hacker-forum-leaks-data-of-its-own-membersCybercrime forum 'Leak Zone' has inadvertently exposed its own users' IP addresses and login times in a massive data leak of over 22 million records.Thu, 28 Aug 2025 21:56:55 GMThttps://upguard-staging.webflow.io/news/security-flaw-in-ai-chatbots-exposes-explicit-user-fantasieshttps://upguard-staging.webflow.io/news/security-flaw-in-ai-chatbots-exposes-explicit-user-fantasiesUpGuard researchers discover misconfigured AI chatbots are leaking explicit user fantasies and illegal content to the web.Thu, 28 Aug 2025 06:39:15 GMThttps://upguard-staging.webflow.io/news/microsoft-cosmos-db-database-flawhttps://upguard-staging.webflow.io/news/microsoft-cosmos-db-database-flawThe cybersecurity spotlight hasn’t shifted from Microsoft for most of 2021. The latest in a string of critical security issues is a vulnerability in Microsoft Azure’s flagship Cosmos DB Database.Thu, 10 Jul 2025 08:09:36 GMThttps://upguard-staging.webflow.io/news/aramco-data-leakhttps://upguard-staging.webflow.io/news/aramco-data-leakSaudi Arabian oil giant, Aramco, is currently battling a cyber-extorsion campaign involving a $50 million ransom and 1 terabyte of leaked company data.Thu, 10 Jul 2025 08:09:36 GMThttps://upguard-staging.webflow.io/news/canada-post-data-breachhttps://upguard-staging.webflow.io/news/canada-post-data-breachCanada Post has suffered a data breach impacting 44 of its business clients which lead to 950,000 receiving customers being compromised.Thu, 10 Jul 2025 08:09:36 GMThttps://upguard-staging.webflow.io/news/acer-ransomware-attackhttps://upguard-staging.webflow.io/news/acer-ransomware-attackAcer has suffered a $50 million ransomware attackThu, 10 Jul 2025 08:09:36 GMThttps://upguard-staging.webflow.io/news/oxfam-australia-data-breachhttps://upguard-staging.webflow.io/news/oxfam-australia-data-breachOxfam Australia has suffered a data leak impacting 1.8 million donors.Thu, 10 Jul 2025 08:09:36 GMThttps://upguard-staging.webflow.io/news/clubhouse-data-breachhttps://upguard-staging.webflow.io/news/clubhouse-data-breachClubhouse, the audio-only social networking app, has suffered a data leakThu, 10 Jul 2025 08:09:36 GMThttps://upguard-staging.webflow.io/news/kroger-data-breachhttps://upguard-staging.webflow.io/news/kroger-data-breachKroger is the latest addition to a growing list of victims impacted by the cyber attack against the file transfer solution, Accellion.Thu, 10 Jul 2025 08:09:36 GMThttps://upguard-staging.webflow.io/news/wilmington-surgical-data-breachhttps://upguard-staging.webflow.io/news/wilmington-surgical-data-breachWilmington Surgical Associates is facing a lawsuit for its cybersecurity negligence that resulted in a data breach.Thu, 10 Jul 2025 08:09:36 GMThttps://upguard-staging.webflow.io/news/singtel-cyberattackhttps://upguard-staging.webflow.io/news/singtel-cyberattackSingtel has been impacted by a third-party attack against its vendor Accellion.Thu, 10 Jul 2025 08:09:36 GMThttps://upguard-staging.webflow.io/news/water-supply-cyberattackhttps://upguard-staging.webflow.io/news/water-supply-cyberattackAn attacker breached a water treatment facility, adding a lethal injection of Sodium Hydroxide.Thu, 10 Jul 2025 08:09:36 GMThttps://upguard-staging.webflow.io/news/nissan-source-code-breachhttps://upguard-staging.webflow.io/news/nissan-source-code-breachNissan North America has suffered a data breach exposing the source codes of its mobile apps and internal software solutions. Thu, 10 Jul 2025 08:09:36 GMThttps://upguard-staging.webflow.io/news/asic-data-breachhttps://upguard-staging.webflow.io/news/asic-data-breachThe Australian Security and Investments Commission has been impacted by Accellion's data breachThu, 10 Jul 2025 08:09:36 GMThttps://upguard-staging.webflow.io/news/tasmanian-ambulance-patient-data-breachhttps://upguard-staging.webflow.io/news/tasmanian-ambulance-patient-data-breachThe records of every Tasmanian that has requested an ambulance since November 2020 has been published online.Thu, 10 Jul 2025 08:09:36 GMThttps://upguard-staging.webflow.io/news/spotify-data-breach-2020https://upguard-staging.webflow.io/news/spotify-data-breach-2020Spotify has suffered its third data breach in the space of a few weeks.Thu, 10 Jul 2025 08:09:36 GMThttps://upguard-staging.webflow.io/news/covid-19-vaccine-data-breachedhttps://upguard-staging.webflow.io/news/covid-19-vaccine-data-breachedBioNTech-Pfizer vaccine data has been breached while in possession by the European Medicines Agency.Thu, 10 Jul 2025 08:09:36 GMThttps://upguard-staging.webflow.io/news/fireeye-cyberattackhttps://upguard-staging.webflow.io/news/fireeye-cyberattackFireEye, a global cyber threat defense agency, has fallen victim to the most machiavellian cyberattack of 2020.Thu, 10 Jul 2025 08:09:36 GMThttps://upguard-staging.webflow.io/news/swiss-helicopter-developer-victim-of-ransomware-attackhttps://upguard-staging.webflow.io/news/swiss-helicopter-developer-victim-of-ransomware-attackSwiss helicopter company Kopter has suffered a data breach by the ransomware group LockBit.Thu, 10 Jul 2025 08:09:36 GMThttps://upguard-staging.webflow.io/news/randstad-victim-of-egregor-cyber-attackhttps://upguard-staging.webflow.io/news/randstad-victim-of-egregor-cyber-attackRandstad has fallen victim to a cyber attack by Egregor. Thu, 10 Jul 2025 08:09:36 GMThttps://upguard-staging.webflow.io/news/ransomware-attack-forces-baltimore-public-schools-to-close-for-115-000-studentshttps://upguard-staging.webflow.io/news/ransomware-attack-forces-baltimore-public-schools-to-close-for-115-000-studentsA ransomware attack has locked 115,000+ students outside of virtual classrooms.Thu, 10 Jul 2025 08:09:36 GMThttps://upguard-staging.webflow.io/news/cybercriminals-targeting-australian-health-sectorhttps://upguard-staging.webflow.io/news/cybercriminals-targeting-australian-health-sectorThere's a disturbing upward trend of cybercriminals targeting the Australian health sector.Thu, 10 Jul 2025 08:09:36 GMThttps://upguard-staging.webflow.io/news/applied-materials-supply-chain-attackhttps://upguard-staging.webflow.io/news/applied-materials-supply-chain-attackOne of the world's largest manufacturers of semiconductors has attributed a $250 million loss in its second-quarter sales report to a supply chain attack.Wed, 01 Mar 2023 03:37:25 GMThttps://upguard-staging.webflow.io/news/medibank-data-breachhttps://upguard-staging.webflow.io/news/medibank-data-breachMedibank suffered a data breach that compromised 9.7 million current and former customers.Fri, 11 Nov 2022 21:46:24 GMThttps://upguard-staging.webflow.io/news/optus-data-breach-exposes-up-to-9-8-million-customers-detailshttps://upguard-staging.webflow.io/news/optus-data-breach-exposes-up-to-9-8-million-customers-detailsCybercriminals believed to be working for a criminal or state-sponsored operation breached Optus' internal network, compromising personal information impacting up to 9.8 million customers.Fri, 11 Nov 2022 21:46:24 GMThttps://upguard-staging.webflow.io/news/openwrt-data-breachhttps://upguard-staging.webflow.io/news/openwrt-data-breachOpenWRT, an open source firmware solution for home routers, was breached exposing the email addresses of many of its forum users.Fri, 17 Jun 2022 09:14:56 GMThttps://upguard-staging.webflow.io/news/domain-cyberattackhttps://upguard-staging.webflow.io/news/domain-cyberattackDomain, one of Australia’s leading property market platforms, has fallen victim to a cyber attackMon, 16 May 2022 04:04:08 GMThttps://upguard-staging.webflow.io/news/uk-labour-party-cyberattackhttps://upguard-staging.webflow.io/news/uk-labour-party-cyberattackThe UK Labour Party has been impacted by a data breach for the second time in a year. Wed, 11 May 2022 10:23:32 GMThttps://upguard-staging.webflow.io/news/kaseya-supply-chain-attackhttps://upguard-staging.webflow.io/news/kaseya-supply-chain-attackThe two largest threats to cybersecurity are supply chain attacks and ransomware attacks, but a combination of the two creates a new sinister breed of cyber threat.Wed, 11 May 2022 10:23:32 GMThttps://upguard-staging.webflow.io/news/discord-nitroransomwarehttps://upguard-staging.webflow.io/news/discord-nitroransomwareNitroRansomware is encrypting personal files and charging only $9.99 to reverse the damage.Wed, 11 May 2022 10:23:32 GMThttps://upguard-staging.webflow.io/news/9-network-australia-cyberattackhttps://upguard-staging.webflow.io/news/9-network-australia-cyberattackNine Network Australia has fallen victim to the largest media company cyberattack in the nation’s history. Wed, 11 May 2022 10:23:32 GMThttps://upguard-staging.webflow.io/news/nurserycam-breachhttps://upguard-staging.webflow.io/news/nurserycam-breachA dangerous vulnerability in a nursery monitoring system gave cyber criminals an opportunity to seamlessly access any live camera feed in any location.Wed, 11 May 2022 10:23:32 GMThttps://upguard-staging.webflow.io/news/terrorist-hackers-target-atlassian-oracle-servershttps://upguard-staging.webflow.io/news/terrorist-hackers-target-atlassian-oracle-serversVolatile Cedar, a cybercriminal group affiliated with the Hezbollah Cyber Unit, has resurfaced after disappearing for almost 6 years.Wed, 11 May 2022 10:23:32 GMThttps://upguard-staging.webflow.io/news/nt-government-third-party-breachhttps://upguard-staging.webflow.io/news/nt-government-third-party-breachThe Northern Territory Government's third-party IT system supply has fallen victim to a ransomware attack.Wed, 11 May 2022 10:23:32 GMThttps://upguard-staging.webflow.io/news/nobelium-targets-microsoft-customershttps://upguard-staging.webflow.io/news/nobelium-targets-microsoft-customersNobelium, the Russian hacking group believed to be responsible for the Solarwinds supply chain attack, has launched new attacks targeting Microsoft customers.Tue, 10 May 2022 08:33:14 GMThttps://upguard-staging.webflow.io/news/cochise-eye-laser-ransomware-attackhttps://upguard-staging.webflow.io/news/cochise-eye-laser-ransomware-attackCochise Eye & Laser, an Arizona-based optometrist, has suffered a ransomware attack.Tue, 10 May 2022 08:33:14 GMThttps://upguard-staging.webflow.io/news/sita-supply-chain-attackhttps://upguard-staging.webflow.io/news/sita-supply-chain-attackSITA, an IT systems vendor for 90% of the global aviation industry, has been used as an instrument for a sophisticated international supply chain attack.Tue, 10 May 2022 08:33:14 GMThttps://upguard-staging.webflow.io/news/california-dmv-breached-through-compromised-vendorhttps://upguard-staging.webflow.io/news/california-dmv-breached-through-compromised-vendorThe California Department of Motor Vehicles has been breached, potentially exposing millions of driver registration records.Tue, 10 May 2022 08:33:14 GMThttps://upguard-staging.webflow.io/news/kmart-servers-breached-in-cyber-attackhttps://upguard-staging.webflow.io/news/kmart-servers-breached-in-cyber-attackUS retailer Kmart has fallen victim to an Egregor ransomware attack. Tue, 10 May 2022 08:33:14 GMThttps://upguard-staging.webflow.io/news/colonial-pipeline-hackers-announce-early-retirementhttps://upguard-staging.webflow.io/news/colonial-pipeline-hackers-announce-early-retirementThe Colonial Pipeline story has taken an unexpected plot twist after Darkside announced the cessation of their criminal operations.Mon, 09 May 2022 05:25:27 GMThttps://upguard-staging.webflow.io/news/colonial-pipeline-ransomware-attackhttps://upguard-staging.webflow.io/news/colonial-pipeline-ransomware-attackColonial Pipeline has fallen victim to a ransomware attack, forcing its 5,500-mile pipeline to shutdown.Mon, 09 May 2022 05:25:27 GMThttps://upguard-staging.webflow.io/news/amazon-twitch-data-breachhttps://upguard-staging.webflow.io/news/amazon-twitch-data-breachTwitch has fallen victim to an anonymous hacker who breached 125GB of data, including the service’s entire source code.Sun, 16 Jan 2022 23:33:37 GMThttps://upguard-staging.webflow.io/news/vestas-wind-systems-cyberattackhttps://upguard-staging.webflow.io/news/vestas-wind-systems-cyberattackCyberattackers are continuing to sharpen their tactics against essential services, this time targeting the green energy sector.Mon, 22 Nov 2021 02:55:22 GMThttps://upguard-staging.webflow.io/news/robinhood-social-engineering-attackhttps://upguard-staging.webflow.io/news/robinhood-social-engineering-attackUS trading platform Robinhood is at the center of data breach affecting up to 7 million of the popular investing app’s users, after falling victim to a social engineering attack carried out on 3rd November 2021.Mon, 15 Nov 2021 08:45:42 GMThttps://upguard-staging.webflow.io/news/argentinian-government-database-breachhttps://upguard-staging.webflow.io/news/argentinian-government-database-breachAn anonymous hacker has allegedly leaked the entirety of Argentina’s National Registry of Persons, offering select information for sale on a dark web forum. Mon, 01 Nov 2021 08:38:52 GMThttps://upguard-staging.webflow.io/news/sinclair-broadcast-group-ransomware-attackhttps://upguard-staging.webflow.io/news/sinclair-broadcast-group-ransomware-attackSinclair Broadcast Group, one of the largest television network conglomerates in the U.S fell victim to a ransomware attack causing mass disruptions throughout its entire network.Tue, 26 Oct 2021 06:12:48 GMThttps://upguard-staging.webflow.io/news/acer-desorden-data-breachhttps://upguard-staging.webflow.io/news/acer-desorden-data-breachAcer has confirmed a 60GB data breach resulting from a cyber attack on its Indian offices - the second major breach to affect the global hardware and electronics company this year. Mon, 18 Oct 2021 21:41:36 GMThttps://upguard-staging.webflow.io/news/line-cyberattackhttps://upguard-staging.webflow.io/news/line-cyberattackLine, a popular Japanese messaging app with over 84 million monthly users, was breached resulting in the compromise of over 100 accounts belonging to Taiwanese political figures.Mon, 02 Aug 2021 23:30:50 GMThttps://upguard-staging.webflow.io/news/guess-ransomware-attackhttps://upguard-staging.webflow.io/news/guess-ransomware-attackGuess has issued a breach notification to customers that were impacted by a ransomware attack that occurred in February.Wed, 21 Jul 2021 01:48:25 GMThttps://upguard-staging.webflow.io/news/cna-ransomware-attackhttps://upguard-staging.webflow.io/news/cna-ransomware-attackCNA Financial customers are feeling the ripple effects of a ransomware attack that occurred earlier this year.Tue, 13 Jul 2021 00:24:05 GMThttps://upguard-staging.webflow.io/news/ea-games-breachhttps://upguard-staging.webflow.io/news/ea-games-breachGaming publishing giant Electronic Art (EA games) has lost 780 GB of sensitive gaming data in a recent data breach. Thu, 17 Jun 2021 02:27:46 GMThttps://upguard-staging.webflow.io/news/colorado-university-data-breachhttps://upguard-staging.webflow.io/news/colorado-university-data-breachColorado University suffers the biggest data breach in the institution's history,Tue, 13 Apr 2021 04:42:46 GMThttps://upguard-staging.webflow.io/news/law-in-order-attacked-by-netwalker-ransomwarehttps://upguard-staging.webflow.io/news/law-in-order-attacked-by-netwalker-ransomwareOn November 22, Law in Order fell victim to a NetWalker ransomware attack. The attackers threaten to publish the breached data if the ransom isn't paid.Fri, 09 Apr 2021 04:31:58 GMThttps://upguard-staging.webflow.io/news/us-fertility-patient-data-breached-in-ransomware-attackhttps://upguard-staging.webflow.io/news/us-fertility-patient-data-breached-in-ransomware-attackUS Fertility has had its sensitive patient data breached in a ransomware attack.Fri, 09 Apr 2021 04:31:50 GMThttps://upguard-staging.webflow.io/news/u-s-treasury-emails-breachedhttps://upguard-staging.webflow.io/news/u-s-treasury-emails-breachedU.S Treasury emails have been breached by suspected Russian hackers.Fri, 09 Apr 2021 04:30:59 GMThttps://upguard-staging.webflow.io/news/u-s-government-data-breachhttps://upguard-staging.webflow.io/news/u-s-government-data-breachThe cyber attack against the US government is the largest data breach in the nation's history.Fri, 09 Apr 2021 04:30:45 GMThttps://upguard-staging.webflow.io/news/symrise-clop-attackhttps://upguard-staging.webflow.io/news/symrise-clop-attackSymrise has fallen victim to a Clop Ransomware attack.Fri, 09 Apr 2021 04:30:29 GMThttps://upguard-staging.webflow.io/news/new-zealand-central-bank-cyberattackhttps://upguard-staging.webflow.io/news/new-zealand-central-bank-cyberattackA third-party file secure sharing supplier for the Reserve Bank of New Zealand was breached in a cyberattack. Fri, 09 Apr 2021 04:30:15 GMThttps://upguard-staging.webflow.io/news/malwarebytes-hackhttps://upguard-staging.webflow.io/news/malwarebytes-hackMalwarebytes, a US cyber-security firm, has announced that it was hacked by the same threat actors responsible for the SolarWinds breach.Fri, 09 Apr 2021 04:30:01 GMThttps://upguard-staging.webflow.io/news/mimecast-breachhttps://upguard-staging.webflow.io/news/mimecast-breachEmail security firm Mimecast has had its digital certificate compromised giving threat actors access to private customer communications.Fri, 09 Apr 2021 04:29:54 GMThttps://upguard-staging.webflow.io/news/meetmindful-data-breachhttps://upguard-staging.webflow.io/news/meetmindful-data-breach2.28 million users of the MeetMindful dating app have had their details published on a hacker forumFri, 09 Apr 2021 04:29:41 GMThttps://upguard-staging.webflow.io/news/nitro-data-breachhttps://upguard-staging.webflow.io/news/nitro-data-breachNitro, a PDF creation and editing solution has had 77 million of its records breached and published onto a hacker forum. Fri, 09 Apr 2021 04:29:15 GMThttps://upguard-staging.webflow.io/news/gab-data-breachhttps://upguard-staging.webflow.io/news/gab-data-breachGab, the social media alternative attracting far-right users has been hacked.Fri, 09 Apr 2021 04:27:55 GMThttps://upguard-staging.webflow.io/news/covenant-healthcare-data-breachhttps://upguard-staging.webflow.io/news/covenant-healthcare-data-breachCovenant Healthcare suffered a data breach incident after the email accounts of two employees were compromised in May 2020. Fri, 09 Apr 2021 04:27:49 GMT