CISA Order Highlights Persistent Risk at Network Edge

The U.S. government agency in charge of improving the nation’s cybersecurity posture is ordering all federal civilian agencies to take new measures to restrict access to Internet-exposed networking equipment. The directive comes amid a surge in attacks targeting previously unknown vulnerabilities in...

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Barracuda Urges Replacing — Not Patching — Its Email Security Gateways

It’s not often that a zero-day vulnerability causes a network security vendor to urge customers to physically remove and decommission an entire line of affected hardware — as opposed to just applying software updates. But experts say that is exactly what transpired this week with Barracuda Networks,...

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3CX Breach Was a Double Supply Chain Compromise

We learned some remarkable new details this week about the recent supply-chain attack on VoIP software provider 3CX. The lengthy, complex intrusion has all the makings of a cyberpunk spy novel: North Korean hackers using legions of fake executive accounts on LinkedIn to lure people into opening malw...

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Microsoft (& Apple) Patch Tuesday, April 2023 Edition

Microsoft today released software updates to plug 100 security holes in its Windows operating systems and other software, including a zero-day vulnerability that is already being used in active attacks. Not to be outdone, Apple has released a set of important updates addressing two zero-day vulnerab...

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Microsoft Patch Tuesday, February 2023 Edition

Microsoft is sending the world a whole bunch of love today, in the form of patches to plug dozens of security holes in its Windows operating systems and other software. This year’s special Valentine’s Day Patch Tuesday includes fixes for a whopping three different “zero-day” vulnerabilities that are...

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Battle with Bots Prompts Mass Purge of Amazon, Apple Employee Accounts on LinkedIn

On October 10, 2022, there were 576,562 LinkedIn accounts that listed their current employer as Apple Inc. The next day, half of those profiles no longer existed. A similarly dramatic drop in the number of LinkedIn profiles claiming employment at Amazon comes as LinkedIn is struggling to combat a si...

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Indictment, Lawsuits Revive Trump-Alfa Bank Story

In October 2016, media outlets reported that data collected by some of the world’s most renowned cybersecurity experts had identified frequent and unexplained communications between an email server used by the Trump Organization and Alfa Bank, one of Russia’s largest financial institutions. Those pu...

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Kaseya Left Customer Portal Vulnerable to 2015 Flaw in its Own Software

Last week cybercriminals deployed ransomware to 1,500 organizations that provide IT security and technical support to many other companies. The attackers exploited a vulnerability in software from Kaseya, a Miami-based company whose products help system administrators manage large networks remotely....

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FBI, DHS, HHS Warn of Imminent, Credible Ransomware Threat Against U.S. Hospitals

On Monday, Oct. 27, KrebsOnSecurity began following up on a tip from a reliable source that an aggressive Russian cybercriminal gang known for deploying ransomware was preparing to disrupt information technology systems at hundreds of hospitals, clinics and medical care facilities across the United ...

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Breach at Sabre Corp.’s Hospitality Unit

Breaches involving major players in the hospitality industry continue to pile up. Today, travel industry giant Sabre Corp. disclosed what could be a significant breach of payment and customer data tied to bookings processed through a reservations system that serves more than 32,000 hotels and o...

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Breach at Sabre Corp.’s Hospitality Unit

Breaches involving major players in the hospitality industry continue to pile up. Today, travel industry giant Sabre Corp. disclosed what could be a significant breach of payment and customer data tied to bookings processed through a reservations system that serves more than 32,000 hotels and o...

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Fast Food Chain Arby’s Acknowledges Breach

Sources at nearly a half-dozen banks and credit unions independently reached out over the past 48 hours to inquire if I’d heard anything about a data breach at Arby’s fast-food restaurants. Asked about the rumors, Arby’s told KrebsOnSecurity that it recently remediated a breac...

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Fast Food Chain Arby’s Acknowledges Breach

Sources at nearly a half-dozen banks and credit unions independently reached out over the past 48 hours to inquire if I’d heard anything about a data breach at Arby’s fast-food restaurants. Asked about the rumors, Arby’s told KrebsOnSecurity that it recently remediated a breac...

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