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 attacker persistent, password-free access to any of the user’s emails and files, both of … Читать далее

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 sources tell KrebsOnSecurity the intruders used that time to steal Social Security … Читать далее

GoDaddy Employees Used in Attacks on Multiple Cryptocurrency Services

Fraudsters redirected email and web traffic destined for several cryptocurrency trading platforms over the past week. The attacks were facilitated by scams targeting employees at GoDaddy, the world’s largest domain name registrar, KrebsOnSecurity has learned. The incident is the latest incursion at GoDaddy that relied on tricking employees into transferring ownership and/or control over targeted … Читать далее

US Government Sites Give Bad Security Advice

Many U.S. government Web sites now carry a message prominently at the top of their home pages meant to help visitors better distinguish between official U.S. government properties and phishing pages. Unfortunately, part of that message is misleading and may help perpetuate a popular misunderstanding about Web site security and trust that phishers have been … Читать далее

Half of all Phishing Sites Now Have the Padlock

Maybe you were once advised to “look for the padlock” as a means of telling legitimate e-commerce sites from phishing or malware traps. Unfortunately, this has never been more useless advice. New research indicates that half of all phishing scams are now hosted on Web sites whose Internet address includes the padlock and begins with … Читать далее

The Year Targeted Phishing Went Mainstream

A story published here on July 12 about a new sextortion-based phishing scheme that invokes a real password used by each recipient has become the most-read piece on KrebsOnSecurity since this site launched in 2009. And with good reason — sex sells (the second most-read piece here was my 2015 scoop about the Ashley Madison … Читать далее

Phishing 101 at the School of Hard Knocks

A recent, massive spike in sophisticated and successful phishing attacks is prompting many universities to speed up timetables for deploying mandatory two-factor authentication (2FA) — requiring a one-time code in addition to a password — for access to student and faculty services online. This is the story of one university that accelerated plans to require 2FA … Читать далее

Spam Uses Default Passwords to Hack Routers

In case you needed yet another reason to change the default username and password on your wired or wireless Internet router: Phishers are sending out links that, when clicked, quietly alter the settings on vulnerable routers to harvest online banking credentials and other sensitive data from victims. Sunnyvale, Calif. based security firm Proofpoint said it recently detected a four-week spam … Читать далее

Washington Post Site Hacked After Successful Phishing Campaign

The Washington Post acknowledged today that a sophisticated phishing attack against its newsroom reporters led to the hacking of its Web site, which was seeded with code that redirected readers to the Web site of the Syrian Electronic Army hacker group. According to information obtained by KrebsOnSecurity, the hack began with a phishing campaign launched … Читать далее

After Epsilon: Avoiding Phishing Scams & Malware

The recent massive data leak from email services provider Epsilon means that it is likely that many consumers will be exposed to an unusually high number of email-based scams in the coming weeks and months. So this is an excellent time to point out some useful resources and tips that can help readers defend against … Читать далее