Cyber Security News On The Web

Malicious Office 365 Apps Are the Ultimate Insiders

Phishers targeting Microsoft Office 365 users increasingly are turning to specialized links that take users to their organization’s own email login page. After a user logs in, the link prompts them to install a malicious but innocuously-named app that gives the...

The Wages of Password Re-use: Your Money or Your Life

When normal computer users fall into the nasty habit of recycling passwords, the result is most often some type of financial loss. When cybercriminals develop the same habit, it can eventually cost them their freedom. Our passwords can say a lot about us, and much of...

Task Force Seeks to Disrupt Ransomware Payments

Some of the world’s top tech firms are backing a new industry task force focused on disrupting cybercriminal ransomware gangs by limiting their ability to get paid, and targeting the individuals and finances of the organized thieves behind these crimes. In a...

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Experian API Exposed Credit Scores of Most Americans

Big-three consumer credit bureau Experian just fixed a weakness with a partner website that let anyone look up the credit score of tens of millions of Americans just by supplying their name and mailing address, KrebsOnSecurity has learned. Experian says it has plugged...

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Experian’s Credit Freeze Security is Still a Joke

In 2017, KrebsOnSecurity showed how easy it is for identity thieves to undo a consumer’s request to freeze their credit file at Experian, one of the big three consumer credit bureaus in the United States.  Last week, KrebsOnSecurity heard from a reader who had...

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Note to Self: Create Non-Exhaustive List of Competitors

What was the best news you heard so far this month? Mine was learning that KrebsOnSecurity is listed as a restricted competitor by Gartner Inc. [NYSE:IT] — a $4 billion technology goliath whose analyst reports can move markets and shape the IT industry. Earlier...

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Microsoft Patch Tuesday, April 2021 Edition

Microsoft today released updates to plug at least 110 security holes in its Windows operating systems and other products. The patches include four security fixes for Microsoft Exchange Server — the same systems that have been besieged by attacks on four separate...

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Are You One of the 533M People Who Got Facebooked?

Ne’er-do-wells leaked personal data — including phone numbers — for some 553 million Facebook users this week. Facebook says the data was collected before 2020 when it changed things to prevent such information from being scraped from profiles. To my...

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Ransom Gangs Emailing Victim Customers for Leverage

Some of the top ransomware gangs are deploying a new pressure tactic to push more victim organizations into paying an extortion demand: Emailing the victim’s customers and partners directly, warning that their data will be leaked to the dark web unless they can...

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Ubiquiti All But Confirms Breach Response Iniquity

For four days this past week, Internet-of-Things giant Ubiquiti did not respond to requests for comment on a whistleblower’s allegations the company had massively downplayed a “catastrophic” two-month breach ending in January to save its stock price,...

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New KrebsOnSecurity Mobile-Friendly Site

Dear Readers, this has been long overdue, but at last I give you a more responsive, mobile-friendly version of KrebsOnSecurity. We tried to keep the visual changes to a minimum and focus on a simple theme that presents information in a straightforward, easy-to-read...

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Whistleblower: Ubiquiti Breach “Catastrophic”

On Jan. 11, Ubiquiti Inc. [NYSE:UI] — a major vendor of cloud-enabled Internet of Things (IoT) devices such as routers, network video recorders and security cameras — disclosed that a breach involving a third-party cloud provider had exposed customer...

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No, I Did Not Hack Your MS Exchange Server

New data suggests someone has compromised more than 21,000 Microsoft Exchange Server email systems worldwide and infected them with malware that invokes both KrebsOnSecurity and Yours Truly by name. Let’s just get this out of the way right now: It wasn’t...

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Phish Leads to Breach at Calif. State Controller

A phishing attack last week gave attackers access to email and files at the California State Controller’s Office (SCO), an agency responsible for handling more than $100 billion in public funds each year. The phishers had access for more than 24 hours, and...

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RedTorch Formed from Ashes of Norse Corp.

Remember Norse Corp., the company behind the interactive “pew-pew” cyber attack map shown in the image blow? Norse imploded rather suddenly in 2016 following a series of managerial missteps and funding debacles. Now, the founders of Norse have launched a...

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Fintech Giant Fiserv Used Unclaimed Domain

If you sell Web-based software for a living and ship code that references an unregistered domain name, you are asking for trouble. But when the same mistake is made by a Fortune 500 company, the results can range from costly to disastrous. Here’s the story of...

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Can We Stop Pretending SMS Is Secure Now?

SMS text messages were already the weakest link securing just about anything online, mainly because there are tens of thousands of employees at mobile stores who can be tricked or bribed into swapping control over a mobile phone number to someone else. Now we’re...

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WeLeakInfo Leaked Customer Payment Info

A little over a year ago, the FBI and law enforcement partners overseas seized WeLeakInfo[.]com, a wildly popular service that sold access to more than 12 billion usernames and passwords stolen from thousands of hacked websites. In an ironic turn of events, a lapsed...

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Microsoft Patch Tuesday, March 2021 Edition

On the off chance you were looking for more security to-dos from Microsoft today…the company released software updates to plug more than 82 security flaws in Windows and other supported software. Ten of these earned Microsoft’s “critical”...

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Warning the World of a Ticking Time Bomb

Globally, hundreds of thousand of organizations running Exchange email servers from Microsoft just got mass-hacked, including at least 30,000 victims in the United States. Each hacked server has been retrofitted with a “web shell” backdoor that gives the...

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