What one school did when hackers held its data hostage

Hacking file

What one school did when hackers held its data hostage

The Lead

Schools, hospitals and companies are falling victim to ransomware and cyber extortion. CNN's Drew Griffin reports.

04:26 - Source: CNN

CNN Investigations 18 videos

Hacking file

What one school did when hackers held its data hostage

04:26

Now playing

- Source: CNN

Republican presidential candidate Donald Trump speaks while accepting the Conservative Party of New York State's nomination for president on September 7, 2016 in New York City.

Report: Trump buys $20K Trump portrait with donor money

01:46

Now playing

- Source: CNN

CINCINNATI, OH - SEPTEMBER 1: Republican presidential candidate Donald Trump speaks at the American Legion Convention September 1, 2016 in Cincinnati, Ohio. Trump spoke about his plans to secure the border and reform the Veterans Administration. (Photo by Aaron P. Bernstein/Getty Images)

Donald Trump accused of dodging donation laws for years

02:54

Now playing

- Source: CNN

laureate clinton thumb split 1

Is for-profit school Clinton's 'university problem'?

02:51

Now playing

- Source: CNN

donald trump pam bondi florida ag donation griffin lead dnt_00000525.jpg

Trump charity's donation to Florida AG questioned

02:32

Now playing

- Source: CNN

dr harold bornstein donald trump doctor

Doctor doubles down on Donald Trump's health

03:42

Now playing

- Source: CNN

A federal air marshal walks through a check-in area as travelers prepare to board flights at John Wayne Orange County Airport in Santa Ana, Calif., on the 10th anniversary of terrorist attacks on the U.S., Sunday, Sept. 11, 2011. (AP Photo/Reed Saxon/AP)

Insecurity in the skies: Federal air marshals in disarray

05:23

Now playing

- Source: CNN

SourceAmerica

Disabled work program investigated for fraud

07:25

Now playing

- Source: CNN

Cancer Charity Scam

FTC fines cancer charities $130 million for fraud

01:10

Now playing

- Source: CNN

Beware of these cancer charity rip-offs

10:19

Now playing

- Source: CNN

Cancer Charity Sham

Federal Trade Commission: Four cancer charities a sham

01:02

Now playing

- Source: CNN

GSA: Bonuses paid during investigation

02:57

Now playing

- Source: CNN

GSA eyed again for wasteful spending

04:13

Now playing

- Source: CNN

ac intv griffin va report care delayed for veterans _00020517.jpg

IG report: Cannot link deaths to delays

04:43

Now playing

- Source: CNN

exp cohen VA cancer surgery delayed _00001801.jpg

Cancer care waits longer at VA hospitals

05:00

Now playing

- Source: CNN

ac intv griffin va hospitals hiding veterans deaths _00002719.jpg

VA may have altered death records

02:53

Now playing

- Source: CNN

71 year old U.S. Navy veteran, Thomas Breen.

VA whistleblower: They shut me up

02:08

Now playing

- Source: CNN

71 year old U.S. Navy veteran, Thomas Breen.

Deaths tied to VA hospital's secret list

07:22

Now playing

- Source: CNN