Who Ran Leakedsource.com?

Late last month, multiple news outlets reported that unspecified law enforcement officials had seized the servers for Leakedsource.com, perhaps the largest online collection of usernames and passwords leaked or stolen in some of the worst data breaches — including billions of credentials ...

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‘Top 10 Spammer’ Indicted for Wire Fraud

Michael A. Persaud, a California man profiled in a Nov. 2014 KrebsOnSecurity story about a junk email purveyor tagged as one of the World’s Top 10 Worst Spammers, was indicted this week on federal wire fraud charges tied to an alleged spamming operation. According to an indictment returned in ...

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‘Top 10 Spammer’ Indicted for Wire Fraud

Michael A. Persaud, a California man profiled in a Nov. 2014 KrebsOnSecurity story about a junk email purveyor tagged as one of the World’s Top 10 Worst Spammers, was indicted this week on federal wire fraud charges tied to an alleged spamming operation. According to an indictment returned in ...

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IRS: Scam Blends CEO Fraud, W-2 Phishing

Most regular readers here are familiar with CEO fraud — e-mail scams in which the attacker spoofs the boss and tricks an employee at the organization into wiring funds to the fraudster. Loyal readers also have heard an earful about W-2 phishing, in which crooks impersonate the boss and re...

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IRS: Scam Blends CEO Fraud, W-2 Phishing

Most regular readers here are familiar with CEO fraud — e-mail scams in which the attacker spoofs the boss and tricks an employee at the organization into wiring funds to the fraudster. Loyal readers also have heard an earful about W-2 phishing, in which crooks impersonate the boss and re...

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A Shakeup in Russia’s Top Cybercrime Unit

A chief criticism I heard from readers of my book, Spam Nation: The Inside Story of Organized Cybercrime, was that it dealt primarily with petty crooks involved in petty crimes, while ignoring more substantive security issues like government surveillance and cyber war. But now it appears t...

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A Shakeup in Russia’s Top Cybercrime Unit

A chief criticism I heard from readers of my book, Spam Nation: The Inside Story of Organized Cybercrime, was that it dealt primarily with petty crooks involved in petty crimes, while ignoring more substantive security issues like government surveillance and cyber war. But now it appears t...

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DNI: Putin Led Cyber, Propaganda Effort to Elect Trump, Denigrate Clinton

Russian President Vladimir Putin directed a massive propaganda and cyber operation aimed at discrediting Hillary Clinton and getting Donald Trump elected, the top U.S. intelligence agencies said in a remarkable yet unshocking report released on Friday. Russian President Vladimir Putin tours RT facil...

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DNI: Putin Led Cyber, Propaganda Effort to Elect Trump, Denigrate Clinton

Russian President Vladimir Putin directed a massive propaganda and cyber operation aimed at discrediting Hillary Clinton and getting Donald Trump elected, the top U.S. intelligence agencies said in a remarkable yet unshocking report released on Friday. Russian President Vladimir Putin tours RT facil...

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‘Operation Tarpit’ Targets Customers of Online Attack-for-Hire Services

Federal investigators in the United States and Europe last week arrested nearly three-dozen people suspected of patronizing so-called “booter” services that can be hired to knock targeted Web sites offline. The global crackdown is part of an effort by authorities to weaken demand for the...

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‘Operation Tarpit’ Targets Customers of Online Attack-for-Hire Services

Federal investigators in the United States and Europe last week arrested nearly three-dozen people suspected of patronizing so-called “booter” services that can be hired to knock targeted Web sites offline. The global crackdown is part of an effort by authorities to weaken demand for the...

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‘Avalanche’ Global Fraud Ring Dismantled

In what’s being billed as an unprecedented global law enforcement response to cybercrime, federal investigators in the United States, United Kingdom and Europe today say they’ve dismantled a sprawling cybercrime machine known as “Avalanche” — a distributed, cl...

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‘Avalanche’ Global Fraud Ring Dismantled

In what’s being billed as an unprecedented global law enforcement response to cybercrime, federal investigators in the United States, United Kingdom and Europe today say they’ve dismantled a sprawling cybercrime machine known as “Avalanche” — a distributed, cl...

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Hackforums Shutters Booter Service Bazaar

Perhaps the most bustling marketplace on the Internet where people can compare and purchase so-called “booter” and “stresser” subscriptions — attack-for-hire services designed to knock Web sites offline — announced last week that it has permanently banned the sale...

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Hackforums Shutters Booter Service Bazaar

Perhaps the most bustling marketplace on the Internet where people can compare and purchase so-called “booter” and “stresser” subscriptions — attack-for-hire services designed to knock Web sites offline — announced last week that it has permanently banned the sale...

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DDoS Mitigation Firm Has History of Hijacks

Last week, KrebsOnSecurity detailed how BackConnect Inc. — a company that defends victims against large-scale distributed denial-of-service (DDoS) attacks — admitted to hijacking hundreds of Internet addresses from a European Internet service provider in order to glean information a...

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DDoS Mitigation Firm Has History of Hijacks

Last week, KrebsOnSecurity detailed how BackConnect Inc. — a company that defends victims against large-scale distributed denial-of-service (DDoS) attacks — admitted to hijacking hundreds of Internet addresses from a European Internet service provider in order to glean information a...

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DDoS Mitigation Firm Has History of Hijacks

Last week, KrebsOnSecurity detailed how BackConnect Inc. — a company that defends victims against large-scale distributed denial-of-service (DDoS) attacks — admitted to hijacking hundreds of Internet addresses from a European Internet service provider in order to glean information a...

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DDoS Mitigation Firm Has History of Hijacks

Last week, KrebsOnSecurity detailed how BackConnect Inc. — a company that defends victims against large-scale distributed denial-of-service (DDoS) attacks — admitted to hijacking hundreds of Internet addresses from a European Internet service provider in order to glean information a...

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Ransomware Getting More Targeted, Expensive

I shared a meal not long ago with a source who works at a financial services company. The subject of ransomware came up and he told me that a server in his company had recently been infected with a particularly nasty strain that spread to several systems before the outbreak was quarantined. He ...

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